Home / 15,952.43-22,013.97-8,878.70

Finding the Fourth Proportional to 15,952.43, 22,013.97 and 8,878.70

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Solution

The fourth proportional to 15,952.43, 22,013.97 and 8,878.70 is: 12,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.43 : 22,013.97 = 8,878.70 : x
  2. Step 2: Convert to fraction form
    15,952.43/22,013.97 = 8,878.70/x
  3. Step 3: Cross multiply
    15,952.43x = 22,013.97 × 8,878.70
  4. Step 4: Simplify right side
    15,952.43x = 195,455,383.29
  5. Step 5: Solve for x
    x = 195,455,383.29/15,952.43
  6. Step 6: Final answer
    x = 12,252.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.