Home / 15,065.48-20,791.38-8,352.20

Finding the Fourth Proportional to 15,065.48, 20,791.38 and 8,352.20

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Solution

The fourth proportional to 15,065.48, 20,791.38 and 8,352.20 is: 11,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.48 : 20,791.38 = 8,352.20 : x
  2. Step 2: Convert to fraction form
    15,065.48/20,791.38 = 8,352.20/x
  3. Step 3: Cross multiply
    15,065.48x = 20,791.38 × 8,352.20
  4. Step 4: Simplify right side
    15,065.48x = 173,653,764.04
  5. Step 5: Solve for x
    x = 173,653,764.04/15,065.48
  6. Step 6: Final answer
    x = 11,526.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.