Home / 15,437.31-23,142.21-5,574.39

Finding the Fourth Proportional to 15,437.31, 23,142.21 and 5,574.39

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Solution

The fourth proportional to 15,437.31, 23,142.21 and 5,574.39 is: 8,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.31 : 23,142.21 = 5,574.39 : x
  2. Step 2: Convert to fraction form
    15,437.31/23,142.21 = 5,574.39/x
  3. Step 3: Cross multiply
    15,437.31x = 23,142.21 × 5,574.39
  4. Step 4: Simplify right side
    15,437.31x = 129,003,704.00
  5. Step 5: Solve for x
    x = 129,003,704.00/15,437.31
  6. Step 6: Final answer
    x = 8,356.62

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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.