Home / 12,470.13-18,705.19-4,673.47

Finding the Fourth Proportional to 12,470.13, 18,705.19 and 4,673.47

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Solution

The fourth proportional to 12,470.13, 18,705.19 and 4,673.47 is: 7,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.13 : 18,705.19 = 4,673.47 : x
  2. Step 2: Convert to fraction form
    12,470.13/18,705.19 = 4,673.47/x
  3. Step 3: Cross multiply
    12,470.13x = 18,705.19 × 4,673.47
  4. Step 4: Simplify right side
    12,470.13x = 87,418,144.31
  5. Step 5: Solve for x
    x = 87,418,144.31/12,470.13
  6. Step 6: Final answer
    x = 7,010.20

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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.