Home / 20,152.24-30,230.56-8,470.96

Finding the Fourth Proportional to 20,152.24, 30,230.56 and 8,470.96

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Solution

The fourth proportional to 20,152.24, 30,230.56 and 8,470.96 is: 12,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.24 : 30,230.56 = 8,470.96 : x
  2. Step 2: Convert to fraction form
    20,152.24/30,230.56 = 8,470.96/x
  3. Step 3: Cross multiply
    20,152.24x = 30,230.56 × 8,470.96
  4. Step 4: Simplify right side
    20,152.24x = 256,081,864.54
  5. Step 5: Solve for x
    x = 256,081,864.54/20,152.24
  6. Step 6: Final answer
    x = 12,707.36

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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.