Home / 13,470.98-20,215.68-4,705.90

Finding the Fourth Proportional to 13,470.98, 20,215.68 and 4,705.90

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Solution

The fourth proportional to 13,470.98, 20,215.68 and 4,705.90 is: 7,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.98 : 20,215.68 = 4,705.90 : x
  2. Step 2: Convert to fraction form
    13,470.98/20,215.68 = 4,705.90/x
  3. Step 3: Cross multiply
    13,470.98x = 20,215.68 × 4,705.90
  4. Step 4: Simplify right side
    13,470.98x = 95,132,900.33
  5. Step 5: Solve for x
    x = 95,132,900.33/13,470.98
  6. Step 6: Final answer
    x = 7,062.06

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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.