Home / 15,418.56-23,127.88-3,731.76

Finding the Fourth Proportional to 15,418.56, 23,127.88 and 3,731.76

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Solution

The fourth proportional to 15,418.56, 23,127.88 and 3,731.76 is: 5,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.56 : 23,127.88 = 3,731.76 : x
  2. Step 2: Convert to fraction form
    15,418.56/23,127.88 = 3,731.76/x
  3. Step 3: Cross multiply
    15,418.56x = 23,127.88 × 3,731.76
  4. Step 4: Simplify right side
    15,418.56x = 86,307,697.47
  5. Step 5: Solve for x
    x = 86,307,697.47/15,418.56
  6. Step 6: Final answer
    x = 5,597.65

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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.