Home / 22,507.20-33,740.16-8,645.76

Finding the Fourth Proportional to 22,507.20, 33,740.16 and 8,645.76

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Solution

The fourth proportional to 22,507.20, 33,740.16 and 8,645.76 is: 12,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,507.20 : 33,740.16 = 8,645.76 : x
  2. Step 2: Convert to fraction form
    22,507.20/33,740.16 = 8,645.76/x
  3. Step 3: Cross multiply
    22,507.20x = 33,740.16 × 8,645.76
  4. Step 4: Simplify right side
    22,507.20x = 291,709,325.72
  5. Step 5: Solve for x
    x = 291,709,325.72/22,507.20
  6. Step 6: Final answer
    x = 12,960.71

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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.