Home / 15,021.72-22,425.12-13,053.96

Finding the Fourth Proportional to 15,021.72, 22,425.12 and 13,053.96

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Solution

The fourth proportional to 15,021.72, 22,425.12 and 13,053.96 is: 19,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.72 : 22,425.12 = 13,053.96 : x
  2. Step 2: Convert to fraction form
    15,021.72/22,425.12 = 13,053.96/x
  3. Step 3: Cross multiply
    15,021.72x = 22,425.12 × 13,053.96
  4. Step 4: Simplify right side
    15,021.72x = 292,736,619.48
  5. Step 5: Solve for x
    x = 292,736,619.48/15,021.72
  6. Step 6: Final answer
    x = 19,487.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.