Home / 15,177.20-22,765.80-9,272.30

Finding the Fourth Proportional to 15,177.20, 22,765.80 and 9,272.30

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Solution

The fourth proportional to 15,177.20, 22,765.80 and 9,272.30 is: 13,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.20 : 22,765.80 = 9,272.30 : x
  2. Step 2: Convert to fraction form
    15,177.20/22,765.80 = 9,272.30/x
  3. Step 3: Cross multiply
    15,177.20x = 22,765.80 × 9,272.30
  4. Step 4: Simplify right side
    15,177.20x = 211,091,327.34
  5. Step 5: Solve for x
    x = 211,091,327.34/15,177.20
  6. Step 6: Final answer
    x = 13,908.45

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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.