Home / 10,368.14-15,552.18-3,792.78

Finding the Fourth Proportional to 10,368.14, 15,552.18 and 3,792.78

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Solution

The fourth proportional to 10,368.14, 15,552.18 and 3,792.78 is: 5,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.14 : 15,552.18 = 3,792.78 : x
  2. Step 2: Convert to fraction form
    10,368.14/15,552.18 = 3,792.78/x
  3. Step 3: Cross multiply
    10,368.14x = 15,552.18 × 3,792.78
  4. Step 4: Simplify right side
    10,368.14x = 58,985,997.26
  5. Step 5: Solve for x
    x = 58,985,997.26/10,368.14
  6. Step 6: Final answer
    x = 5,689.16

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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.