Home / 13,500.74-20,251.06-3,641.02

Finding the Fourth Proportional to 13,500.74, 20,251.06 and 3,641.02

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Solution

The fourth proportional to 13,500.74, 20,251.06 and 3,641.02 is: 5,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.74 : 20,251.06 = 3,641.02 : x
  2. Step 2: Convert to fraction form
    13,500.74/20,251.06 = 3,641.02/x
  3. Step 3: Cross multiply
    13,500.74x = 20,251.06 × 3,641.02
  4. Step 4: Simplify right side
    13,500.74x = 73,734,454.75
  5. Step 5: Solve for x
    x = 73,734,454.75/13,500.74
  6. Step 6: Final answer
    x = 5,461.51

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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.