Home / 19,387.93-29,081.91-6,240.30

Finding the Fourth Proportional to 19,387.93, 29,081.91 and 6,240.30

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Solution

The fourth proportional to 19,387.93, 29,081.91 and 6,240.30 is: 9,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.93 : 29,081.91 = 6,240.30 : x
  2. Step 2: Convert to fraction form
    19,387.93/29,081.91 = 6,240.30/x
  3. Step 3: Cross multiply
    19,387.93x = 29,081.91 × 6,240.30
  4. Step 4: Simplify right side
    19,387.93x = 181,479,842.97
  5. Step 5: Solve for x
    x = 181,479,842.97/19,387.93
  6. Step 6: Final answer
    x = 9,360.45

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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.