Home / 15,120.16-22,679.56-4,589.72

Finding the Fourth Proportional to 15,120.16, 22,679.56 and 4,589.72

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Solution

The fourth proportional to 15,120.16, 22,679.56 and 4,589.72 is: 6,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.16 : 22,679.56 = 4,589.72 : x
  2. Step 2: Convert to fraction form
    15,120.16/22,679.56 = 4,589.72/x
  3. Step 3: Cross multiply
    15,120.16x = 22,679.56 × 4,589.72
  4. Step 4: Simplify right side
    15,120.16x = 104,092,830.12
  5. Step 5: Solve for x
    x = 104,092,830.12/15,120.16
  6. Step 6: Final answer
    x = 6,884.37

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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.