Home / 15,373.40-23,060.30-4,279.82

Finding the Fourth Proportional to 15,373.40, 23,060.30 and 4,279.82

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Solution

The fourth proportional to 15,373.40, 23,060.30 and 4,279.82 is: 6,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.40 : 23,060.30 = 4,279.82 : x
  2. Step 2: Convert to fraction form
    15,373.40/23,060.30 = 4,279.82/x
  3. Step 3: Cross multiply
    15,373.40x = 23,060.30 × 4,279.82
  4. Step 4: Simplify right side
    15,373.40x = 98,693,796.45
  5. Step 5: Solve for x
    x = 98,693,796.45/15,373.40
  6. Step 6: Final answer
    x = 6,419.78

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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.