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Finding the Fourth Proportional to 18,792.17, 25,933.49 and 10,294.14

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Solution

The fourth proportional to 18,792.17, 25,933.49 and 10,294.14 is: 14,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.17 : 25,933.49 = 10,294.14 : x
  2. Step 2: Convert to fraction form
    18,792.17/25,933.49 = 10,294.14/x
  3. Step 3: Cross multiply
    18,792.17x = 25,933.49 × 10,294.14
  4. Step 4: Simplify right side
    18,792.17x = 266,962,925.28
  5. Step 5: Solve for x
    x = 266,962,925.28/18,792.17
  6. Step 6: Final answer
    x = 14,206.08

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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.