Home / 19,387.36-29,076.42-6,239.86

Finding the Fourth Proportional to 19,387.36, 29,076.42 and 6,239.86

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Solution

The fourth proportional to 19,387.36, 29,076.42 and 6,239.86 is: 9,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.36 : 29,076.42 = 6,239.86 : x
  2. Step 2: Convert to fraction form
    19,387.36/29,076.42 = 6,239.86/x
  3. Step 3: Cross multiply
    19,387.36x = 29,076.42 × 6,239.86
  4. Step 4: Simplify right side
    19,387.36x = 181,432,790.10
  5. Step 5: Solve for x
    x = 181,432,790.10/19,387.36
  6. Step 6: Final answer
    x = 9,358.30

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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.