Home / 11,746.08-16,209.57-6,440.76

Finding the Fourth Proportional to 11,746.08, 16,209.57 and 6,440.76

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Solution

The fourth proportional to 11,746.08, 16,209.57 and 6,440.76 is: 8,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.08 : 16,209.57 = 6,440.76 : x
  2. Step 2: Convert to fraction form
    11,746.08/16,209.57 = 6,440.76/x
  3. Step 3: Cross multiply
    11,746.08x = 16,209.57 × 6,440.76
  4. Step 4: Simplify right side
    11,746.08x = 104,401,950.07
  5. Step 5: Solve for x
    x = 104,401,950.07/11,746.08
  6. Step 6: Final answer
    x = 8,888.24

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Half scale
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Double scale
Find fourth proportional to 11,747.08, 16,210.95 and 6,441.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.