Home / 19,335.20-29,001.84-6,855

Finding the Fourth Proportional to 19,335.20, 29,001.84 and 6,855

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Solution

The fourth proportional to 19,335.20, 29,001.84 and 6,855 is: 10,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.20 : 29,001.84 = 6,855 : x
  2. Step 2: Convert to fraction form
    19,335.20/29,001.84 = 6,855/x
  3. Step 3: Cross multiply
    19,335.20x = 29,001.84 × 6,855
  4. Step 4: Simplify right side
    19,335.20x = 198,807,613.20
  5. Step 5: Solve for x
    x = 198,807,613.20/19,335.20
  6. Step 6: Final answer
    x = 10,282.16

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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.