Home / 12,470.25-18,689.19-5,066.10

Finding the Fourth Proportional to 12,470.25, 18,689.19 and 5,066.10

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Solution

The fourth proportional to 12,470.25, 18,689.19 and 5,066.10 is: 7,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.25 : 18,689.19 = 5,066.10 : x
  2. Step 2: Convert to fraction form
    12,470.25/18,689.19 = 5,066.10/x
  3. Step 3: Cross multiply
    12,470.25x = 18,689.19 × 5,066.10
  4. Step 4: Simplify right side
    12,470.25x = 94,681,305.46
  5. Step 5: Solve for x
    x = 94,681,305.46/12,470.25
  6. Step 6: Final answer
    x = 7,592.57

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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.