Home / 11,746.15-16,209.55-6,440.95

Finding the Fourth Proportional to 11,746.15, 16,209.55 and 6,440.95

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Solution

The fourth proportional to 11,746.15, 16,209.55 and 6,440.95 is: 8,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.15 : 16,209.55 = 6,440.95 : x
  2. Step 2: Convert to fraction form
    11,746.15/16,209.55 = 6,440.95/x
  3. Step 3: Cross multiply
    11,746.15x = 16,209.55 × 6,440.95
  4. Step 4: Simplify right side
    11,746.15x = 104,404,929.39
  5. Step 5: Solve for x
    x = 104,404,929.39/11,746.15
  6. Step 6: Final answer
    x = 8,888.44

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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.