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Finding the Fourth Proportional to 17,490, 24,135.90 and 9,532.32

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Solution

The fourth proportional to 17,490, 24,135.90 and 9,532.32 is: 13,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490 : 24,135.90 = 9,532.32 : x
  2. Step 2: Convert to fraction form
    17,490/24,135.90 = 9,532.32/x
  3. Step 3: Cross multiply
    17,490x = 24,135.90 × 9,532.32
  4. Step 4: Simplify right side
    17,490x = 230,071,122.29
  5. Step 5: Solve for x
    x = 230,071,122.29/17,490
  6. Step 6: Final answer
    x = 13,154.44

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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.