Home / 15,191.56-22,789.80-6,426.55

Finding the Fourth Proportional to 15,191.56, 22,789.80 and 6,426.55

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Solution

The fourth proportional to 15,191.56, 22,789.80 and 6,426.55 is: 9,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.56 : 22,789.80 = 6,426.55 : x
  2. Step 2: Convert to fraction form
    15,191.56/22,789.80 = 6,426.55/x
  3. Step 3: Cross multiply
    15,191.56x = 22,789.80 × 6,426.55
  4. Step 4: Simplify right side
    15,191.56x = 146,459,732.22
  5. Step 5: Solve for x
    x = 146,459,732.22/15,191.56
  6. Step 6: Final answer
    x = 9,640.86

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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.