Home / 21,302.15-29,397.18-11,742.41

Finding the Fourth Proportional to 21,302.15, 29,397.18 and 11,742.41

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Solution

The fourth proportional to 21,302.15, 29,397.18 and 11,742.41 is: 16,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302.15 : 29,397.18 = 11,742.41 : x
  2. Step 2: Convert to fraction form
    21,302.15/29,397.18 = 11,742.41/x
  3. Step 3: Cross multiply
    21,302.15x = 29,397.18 × 11,742.41
  4. Step 4: Simplify right side
    21,302.15x = 345,193,534.71
  5. Step 5: Solve for x
    x = 345,193,534.71/21,302.15
  6. Step 6: Final answer
    x = 16,204.63

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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.