Home / 19,660.90-29,422.09-16,108.24

Finding the Fourth Proportional to 19,660.90, 29,422.09 and 16,108.24

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Solution

The fourth proportional to 19,660.90, 29,422.09 and 16,108.24 is: 24,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.90 : 29,422.09 = 16,108.24 : x
  2. Step 2: Convert to fraction form
    19,660.90/29,422.09 = 16,108.24/x
  3. Step 3: Cross multiply
    19,660.90x = 29,422.09 × 16,108.24
  4. Step 4: Simplify right side
    19,660.90x = 473,938,087.02
  5. Step 5: Solve for x
    x = 473,938,087.02/19,660.90
  6. Step 6: Final answer
    x = 24,105.62

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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.