Home / 15,347.97-22,909.91-13,170.69

Finding the Fourth Proportional to 15,347.97, 22,909.91 and 13,170.69

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Solution

The fourth proportional to 15,347.97, 22,909.91 and 13,170.69 is: 19,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.97 : 22,909.91 = 13,170.69 : x
  2. Step 2: Convert to fraction form
    15,347.97/22,909.91 = 13,170.69/x
  3. Step 3: Cross multiply
    15,347.97x = 22,909.91 × 13,170.69
  4. Step 4: Simplify right side
    15,347.97x = 301,739,256.68
  5. Step 5: Solve for x
    x = 301,739,256.68/15,347.97
  6. Step 6: Final answer
    x = 19,659.88

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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.