Home / 21,350.41-29,463.96-12,402.88

Finding the Fourth Proportional to 21,350.41, 29,463.96 and 12,402.88

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Solution

The fourth proportional to 21,350.41, 29,463.96 and 12,402.88 is: 17,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.41 : 29,463.96 = 12,402.88 : x
  2. Step 2: Convert to fraction form
    21,350.41/29,463.96 = 12,402.88/x
  3. Step 3: Cross multiply
    21,350.41x = 29,463.96 × 12,402.88
  4. Step 4: Simplify right side
    21,350.41x = 365,437,960.20
  5. Step 5: Solve for x
    x = 365,437,960.20/21,350.41
  6. Step 6: Final answer
    x = 17,116.20

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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.