Home / 9,151.08-12,636.12-6,176.76

Finding the Fourth Proportional to 9,151.08, 12,636.12 and 6,176.76

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Solution

The fourth proportional to 9,151.08, 12,636.12 and 6,176.76 is: 8,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.08 : 12,636.12 = 6,176.76 : x
  2. Step 2: Convert to fraction form
    9,151.08/12,636.12 = 6,176.76/x
  3. Step 3: Cross multiply
    9,151.08x = 12,636.12 × 6,176.76
  4. Step 4: Simplify right side
    9,151.08x = 78,050,280.57
  5. Step 5: Solve for x
    x = 78,050,280.57/9,151.08
  6. Step 6: Final answer
    x = 8,529.08

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Half scale
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Double scale
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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.