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Finding the Fourth Proportional to 17,647.56, 24,358.04 and 10,929.16

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Solution

The fourth proportional to 17,647.56, 24,358.04 and 10,929.16 is: 15,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647.56 : 24,358.04 = 10,929.16 : x
  2. Step 2: Convert to fraction form
    17,647.56/24,358.04 = 10,929.16/x
  3. Step 3: Cross multiply
    17,647.56x = 24,358.04 × 10,929.16
  4. Step 4: Simplify right side
    17,647.56x = 266,212,916.45
  5. Step 5: Solve for x
    x = 266,212,916.45/17,647.56
  6. Step 6: Final answer
    x = 15,084.97

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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.