Home / 21,522.84-29,701.80-13,024.86

Finding the Fourth Proportional to 21,522.84, 29,701.80 and 13,024.86

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Solution

The fourth proportional to 21,522.84, 29,701.80 and 13,024.86 is: 17,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.84 : 29,701.80 = 13,024.86 : x
  2. Step 2: Convert to fraction form
    21,522.84/29,701.80 = 13,024.86/x
  3. Step 3: Cross multiply
    21,522.84x = 29,701.80 × 13,024.86
  4. Step 4: Simplify right side
    21,522.84x = 386,861,786.75
  5. Step 5: Solve for x
    x = 386,861,786.75/21,522.84
  6. Step 6: Final answer
    x = 17,974.48

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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.