Home / 21,563.62-29,758.19-12,004.13

Finding the Fourth Proportional to 21,563.62, 29,758.19 and 12,004.13

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Solution

The fourth proportional to 21,563.62, 29,758.19 and 12,004.13 is: 16,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.62 : 29,758.19 = 12,004.13 : x
  2. Step 2: Convert to fraction form
    21,563.62/29,758.19 = 12,004.13/x
  3. Step 3: Cross multiply
    21,563.62x = 29,758.19 × 12,004.13
  4. Step 4: Simplify right side
    21,563.62x = 357,221,195.70
  5. Step 5: Solve for x
    x = 357,221,195.70/21,563.62
  6. Step 6: Final answer
    x = 16,565.92

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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.