Home / 15,738.75-23,538.38-13,995.96

Finding the Fourth Proportional to 15,738.75, 23,538.38 and 13,995.96

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Solution

The fourth proportional to 15,738.75, 23,538.38 and 13,995.96 is: 20,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,738.75 : 23,538.38 = 13,995.96 : x
  2. Step 2: Convert to fraction form
    15,738.75/23,538.38 = 13,995.96/x
  3. Step 3: Cross multiply
    15,738.75x = 23,538.38 × 13,995.96
  4. Step 4: Simplify right side
    15,738.75x = 329,442,154.97
  5. Step 5: Solve for x
    x = 329,442,154.97/15,738.75
  6. Step 6: Final answer
    x = 20,931.91

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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.