Home / 15,149.34-22,729.48-5,290.07

Finding the Fourth Proportional to 15,149.34, 22,729.48 and 5,290.07

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Solution

The fourth proportional to 15,149.34, 22,729.48 and 5,290.07 is: 7,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.34 : 22,729.48 = 5,290.07 : x
  2. Step 2: Convert to fraction form
    15,149.34/22,729.48 = 5,290.07/x
  3. Step 3: Cross multiply
    15,149.34x = 22,729.48 × 5,290.07
  4. Step 4: Simplify right side
    15,149.34x = 120,240,540.26
  5. Step 5: Solve for x
    x = 120,240,540.26/15,149.34
  6. Step 6: Final answer
    x = 7,937.02

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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.