Home / 8,999.32-13,500.24-3,154.56

Finding the Fourth Proportional to 8,999.32, 13,500.24 and 3,154.56

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Solution

The fourth proportional to 8,999.32, 13,500.24 and 3,154.56 is: 4,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.32 : 13,500.24 = 3,154.56 : x
  2. Step 2: Convert to fraction form
    8,999.32/13,500.24 = 3,154.56/x
  3. Step 3: Cross multiply
    8,999.32x = 13,500.24 × 3,154.56
  4. Step 4: Simplify right side
    8,999.32x = 42,587,317.09
  5. Step 5: Solve for x
    x = 42,587,317.09/8,999.32
  6. Step 6: Final answer
    x = 4,732.28

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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.