Home / 16,532.93-22,815.45-8,979.23

Finding the Fourth Proportional to 16,532.93, 22,815.45 and 8,979.23

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Solution

The fourth proportional to 16,532.93, 22,815.45 and 8,979.23 is: 12,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,532.93 : 22,815.45 = 8,979.23 : x
  2. Step 2: Convert to fraction form
    16,532.93/22,815.45 = 8,979.23/x
  3. Step 3: Cross multiply
    16,532.93x = 22,815.45 × 8,979.23
  4. Step 4: Simplify right side
    16,532.93x = 204,865,173.10
  5. Step 5: Solve for x
    x = 204,865,173.10/16,532.93
  6. Step 6: Final answer
    x = 12,391.34

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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.