Home / 20,127.24-30,200.76-9,041.76

Finding the Fourth Proportional to 20,127.24, 30,200.76 and 9,041.76

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Solution

The fourth proportional to 20,127.24, 30,200.76 and 9,041.76 is: 13,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.24 : 30,200.76 = 9,041.76 : x
  2. Step 2: Convert to fraction form
    20,127.24/30,200.76 = 9,041.76/x
  3. Step 3: Cross multiply
    20,127.24x = 30,200.76 × 9,041.76
  4. Step 4: Simplify right side
    20,127.24x = 273,068,023.74
  5. Step 5: Solve for x
    x = 273,068,023.74/20,127.24
  6. Step 6: Final answer
    x = 13,567.09

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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.