Home / 10,640.76-15,962.25-4,066.90

Finding the Fourth Proportional to 10,640.76, 15,962.25 and 4,066.90

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Solution

The fourth proportional to 10,640.76, 15,962.25 and 4,066.90 is: 6,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.76 : 15,962.25 = 4,066.90 : x
  2. Step 2: Convert to fraction form
    10,640.76/15,962.25 = 4,066.90/x
  3. Step 3: Cross multiply
    10,640.76x = 15,962.25 × 4,066.90
  4. Step 4: Simplify right side
    10,640.76x = 64,916,874.53
  5. Step 5: Solve for x
    x = 64,916,874.53/10,640.76
  6. Step 6: Final answer
    x = 6,100.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.