Home / 15,330.57-22,987.19-5,330.71

Finding the Fourth Proportional to 15,330.57, 22,987.19 and 5,330.71

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Solution

The fourth proportional to 15,330.57, 22,987.19 and 5,330.71 is: 7,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.57 : 22,987.19 = 5,330.71 : x
  2. Step 2: Convert to fraction form
    15,330.57/22,987.19 = 5,330.71/x
  3. Step 3: Cross multiply
    15,330.57x = 22,987.19 × 5,330.71
  4. Step 4: Simplify right side
    15,330.57x = 122,538,085.67
  5. Step 5: Solve for x
    x = 122,538,085.67/15,330.57
  6. Step 6: Final answer
    x = 7,993.06

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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.