Home / 15,379.98-23,069.96-3,693.20

Finding the Fourth Proportional to 15,379.98, 23,069.96 and 3,693.20

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Solution

The fourth proportional to 15,379.98, 23,069.96 and 3,693.20 is: 5,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.98 : 23,069.96 = 3,693.20 : x
  2. Step 2: Convert to fraction form
    15,379.98/23,069.96 = 3,693.20/x
  3. Step 3: Cross multiply
    15,379.98x = 23,069.96 × 3,693.20
  4. Step 4: Simplify right side
    15,379.98x = 85,201,877.08
  5. Step 5: Solve for x
    x = 85,201,877.08/15,379.98
  6. Step 6: Final answer
    x = 5,539.79

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Similar ratio
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1.5x scale

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.