Home / 12,290.65-18,444.17-4,499.46

Finding the Fourth Proportional to 12,290.65, 18,444.17 and 4,499.46

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Solution

The fourth proportional to 12,290.65, 18,444.17 and 4,499.46 is: 6,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290.65 : 18,444.17 = 4,499.46 : x
  2. Step 2: Convert to fraction form
    12,290.65/18,444.17 = 4,499.46/x
  3. Step 3: Cross multiply
    12,290.65x = 18,444.17 × 4,499.46
  4. Step 4: Simplify right side
    12,290.65x = 82,988,816.40
  5. Step 5: Solve for x
    x = 82,988,816.40/12,290.65
  6. Step 6: Final answer
    x = 6,752.19

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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.