Home / 15,190.20-22,785.30-14,679.90

Finding the Fourth Proportional to 15,190.20, 22,785.30 and 14,679.90

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Solution

The fourth proportional to 15,190.20, 22,785.30 and 14,679.90 is: 22,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.20 : 22,785.30 = 14,679.90 : x
  2. Step 2: Convert to fraction form
    15,190.20/22,785.30 = 14,679.90/x
  3. Step 3: Cross multiply
    15,190.20x = 22,785.30 × 14,679.90
  4. Step 4: Simplify right side
    15,190.20x = 334,485,925.47
  5. Step 5: Solve for x
    x = 334,485,925.47/15,190.20
  6. Step 6: Final answer
    x = 22,019.85

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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.