Home / 21,966.14-32,899.99-13,182.90

Finding the Fourth Proportional to 21,966.14, 32,899.99 and 13,182.90

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Solution

The fourth proportional to 21,966.14, 32,899.99 and 13,182.90 is: 19,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.14 : 32,899.99 = 13,182.90 : x
  2. Step 2: Convert to fraction form
    21,966.14/32,899.99 = 13,182.90/x
  3. Step 3: Cross multiply
    21,966.14x = 32,899.99 × 13,182.90
  4. Step 4: Simplify right side
    21,966.14x = 433,717,278.17
  5. Step 5: Solve for x
    x = 433,717,278.17/21,966.14
  6. Step 6: Final answer
    x = 19,744.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.