Home / 21,204.90-29,252.74-14,499.92

Finding the Fourth Proportional to 21,204.90, 29,252.74 and 14,499.92

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Solution

The fourth proportional to 21,204.90, 29,252.74 and 14,499.92 is: 20,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.90 : 29,252.74 = 14,499.92 : x
  2. Step 2: Convert to fraction form
    21,204.90/29,252.74 = 14,499.92/x
  3. Step 3: Cross multiply
    21,204.90x = 29,252.74 × 14,499.92
  4. Step 4: Simplify right side
    21,204.90x = 424,162,389.78
  5. Step 5: Solve for x
    x = 424,162,389.78/21,204.90
  6. Step 6: Final answer
    x = 20,003.04

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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.