Home / 15,979.06-22,033.78-10,877.88

Finding the Fourth Proportional to 15,979.06, 22,033.78 and 10,877.88

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Solution

The fourth proportional to 15,979.06, 22,033.78 and 10,877.88 is: 14,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.06 : 22,033.78 = 10,877.88 : x
  2. Step 2: Convert to fraction form
    15,979.06/22,033.78 = 10,877.88/x
  3. Step 3: Cross multiply
    15,979.06x = 22,033.78 × 10,877.88
  4. Step 4: Simplify right side
    15,979.06x = 239,680,814.79
  5. Step 5: Solve for x
    x = 239,680,814.79/15,979.06
  6. Step 6: Final answer
    x = 14,999.68

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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.