Home / 30,162.60-45,230.82-9,387.72

Finding the Fourth Proportional to 30,162.60, 45,230.82 and 9,387.72

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Solution

The fourth proportional to 30,162.60, 45,230.82 and 9,387.72 is: 14,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.60 : 45,230.82 = 9,387.72 : x
  2. Step 2: Convert to fraction form
    30,162.60/45,230.82 = 9,387.72/x
  3. Step 3: Cross multiply
    30,162.60x = 45,230.82 × 9,387.72
  4. Step 4: Simplify right side
    30,162.60x = 424,614,273.53
  5. Step 5: Solve for x
    x = 424,614,273.53/30,162.60
  6. Step 6: Final answer
    x = 14,077.51

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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.