Home / 12,508.16-18,756.96-3,744.32

Finding the Fourth Proportional to 12,508.16, 18,756.96 and 3,744.32

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Solution

The fourth proportional to 12,508.16, 18,756.96 and 3,744.32 is: 5,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.16 : 18,756.96 = 3,744.32 : x
  2. Step 2: Convert to fraction form
    12,508.16/18,756.96 = 3,744.32/x
  3. Step 3: Cross multiply
    12,508.16x = 18,756.96 × 3,744.32
  4. Step 4: Simplify right side
    12,508.16x = 70,232,060.47
  5. Step 5: Solve for x
    x = 70,232,060.47/12,508.16
  6. Step 6: Final answer
    x = 5,614.90

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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.