Home / 15,135.49-22,686.42-11,425.69

Finding the Fourth Proportional to 15,135.49, 22,686.42 and 11,425.69

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Solution

The fourth proportional to 15,135.49, 22,686.42 and 11,425.69 is: 17,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.49 : 22,686.42 = 11,425.69 : x
  2. Step 2: Convert to fraction form
    15,135.49/22,686.42 = 11,425.69/x
  3. Step 3: Cross multiply
    15,135.49x = 22,686.42 × 11,425.69
  4. Step 4: Simplify right side
    15,135.49x = 259,208,002.13
  5. Step 5: Solve for x
    x = 259,208,002.13/15,135.49
  6. Step 6: Final answer
    x = 17,125.84

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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.