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Finding the Fourth Proportional to 17,892.81, 24,692.11 and 9,935.44

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Solution

The fourth proportional to 17,892.81, 24,692.11 and 9,935.44 is: 13,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.81 : 24,692.11 = 9,935.44 : x
  2. Step 2: Convert to fraction form
    17,892.81/24,692.11 = 9,935.44/x
  3. Step 3: Cross multiply
    17,892.81x = 24,692.11 × 9,935.44
  4. Step 4: Simplify right side
    17,892.81x = 245,326,890.81
  5. Step 5: Solve for x
    x = 245,326,890.81/17,892.81
  6. Step 6: Final answer
    x = 13,710.92

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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.