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Finding the Fourth Proportional to 18,098.83, 24,967.94 and 11,388.16

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Solution

The fourth proportional to 18,098.83, 24,967.94 and 11,388.16 is: 15,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.83 : 24,967.94 = 11,388.16 : x
  2. Step 2: Convert to fraction form
    18,098.83/24,967.94 = 11,388.16/x
  3. Step 3: Cross multiply
    18,098.83x = 24,967.94 × 11,388.16
  4. Step 4: Simplify right side
    18,098.83x = 284,338,895.59
  5. Step 5: Solve for x
    x = 284,338,895.59/18,098.83
  6. Step 6: Final answer
    x = 15,710.35

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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.