Home / 19,387.08-29,076.08-6,239.61

Finding the Fourth Proportional to 19,387.08, 29,076.08 and 6,239.61

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Solution

The fourth proportional to 19,387.08, 29,076.08 and 6,239.61 is: 9,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.08 : 29,076.08 = 6,239.61 : x
  2. Step 2: Convert to fraction form
    19,387.08/29,076.08 = 6,239.61/x
  3. Step 3: Cross multiply
    19,387.08x = 29,076.08 × 6,239.61
  4. Step 4: Simplify right side
    19,387.08x = 181,423,368.33
  5. Step 5: Solve for x
    x = 181,423,368.33/19,387.08
  6. Step 6: Final answer
    x = 9,357.95

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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.