Home / 15,077.20-22,612.96-6,309.76

Finding the Fourth Proportional to 15,077.20, 22,612.96 and 6,309.76

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Solution

The fourth proportional to 15,077.20, 22,612.96 and 6,309.76 is: 9,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.20 : 22,612.96 = 6,309.76 : x
  2. Step 2: Convert to fraction form
    15,077.20/22,612.96 = 6,309.76/x
  3. Step 3: Cross multiply
    15,077.20x = 22,612.96 × 6,309.76
  4. Step 4: Simplify right side
    15,077.20x = 142,682,350.49
  5. Step 5: Solve for x
    x = 142,682,350.49/15,077.20
  6. Step 6: Final answer
    x = 9,463.45

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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.