Home / 19,987.29-29,974.71-6,836.58

Finding the Fourth Proportional to 19,987.29, 29,974.71 and 6,836.58

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Solution

The fourth proportional to 19,987.29, 29,974.71 and 6,836.58 is: 10,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.29 : 29,974.71 = 6,836.58 : x
  2. Step 2: Convert to fraction form
    19,987.29/29,974.71 = 6,836.58/x
  3. Step 3: Cross multiply
    19,987.29x = 29,974.71 × 6,836.58
  4. Step 4: Simplify right side
    19,987.29x = 204,924,502.89
  5. Step 5: Solve for x
    x = 204,924,502.89/19,987.29
  6. Step 6: Final answer
    x = 10,252.74

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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.