Home / 19,382.40-29,074.80-6,231.24

Finding the Fourth Proportional to 19,382.40, 29,074.80 and 6,231.24

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Solution

The fourth proportional to 19,382.40, 29,074.80 and 6,231.24 is: 9,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.40 : 29,074.80 = 6,231.24 : x
  2. Step 2: Convert to fraction form
    19,382.40/29,074.80 = 6,231.24/x
  3. Step 3: Cross multiply
    19,382.40x = 29,074.80 × 6,231.24
  4. Step 4: Simplify right side
    19,382.40x = 181,172,056.75
  5. Step 5: Solve for x
    x = 181,172,056.75/19,382.40
  6. Step 6: Final answer
    x = 9,347.25

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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.