Home / 15,052.76-20,761.62-9,743.48

Finding the Fourth Proportional to 15,052.76, 20,761.62 and 9,743.48

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Solution

The fourth proportional to 15,052.76, 20,761.62 and 9,743.48 is: 13,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.76 : 20,761.62 = 9,743.48 : x
  2. Step 2: Convert to fraction form
    15,052.76/20,761.62 = 9,743.48/x
  3. Step 3: Cross multiply
    15,052.76x = 20,761.62 × 9,743.48
  4. Step 4: Simplify right side
    15,052.76x = 202,290,429.24
  5. Step 5: Solve for x
    x = 202,290,429.24/15,052.76
  6. Step 6: Final answer
    x = 13,438.76

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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.