Home / 21,402.24-29,534.58-11,841.90

Finding the Fourth Proportional to 21,402.24, 29,534.58 and 11,841.90

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Solution

The fourth proportional to 21,402.24, 29,534.58 and 11,841.90 is: 16,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.24 : 29,534.58 = 11,841.90 : x
  2. Step 2: Convert to fraction form
    21,402.24/29,534.58 = 11,841.90/x
  3. Step 3: Cross multiply
    21,402.24x = 29,534.58 × 11,841.90
  4. Step 4: Simplify right side
    21,402.24x = 349,745,542.90
  5. Step 5: Solve for x
    x = 349,745,542.90/21,402.24
  6. Step 6: Final answer
    x = 16,341.54

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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.