Home / 15,924.20-21,976.29-8,852.90

Finding the Fourth Proportional to 15,924.20, 21,976.29 and 8,852.90

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Solution

The fourth proportional to 15,924.20, 21,976.29 and 8,852.90 is: 12,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.20 : 21,976.29 = 8,852.90 : x
  2. Step 2: Convert to fraction form
    15,924.20/21,976.29 = 8,852.90/x
  3. Step 3: Cross multiply
    15,924.20x = 21,976.29 × 8,852.90
  4. Step 4: Simplify right side
    15,924.20x = 194,553,787.86
  5. Step 5: Solve for x
    x = 194,553,787.86/15,924.20
  6. Step 6: Final answer
    x = 12,217.50

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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.