Home / 14,787.17-22,189.28-8,212.80

Finding the Fourth Proportional to 14,787.17, 22,189.28 and 8,212.80

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Solution

The fourth proportional to 14,787.17, 22,189.28 and 8,212.80 is: 12,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.17 : 22,189.28 = 8,212.80 : x
  2. Step 2: Convert to fraction form
    14,787.17/22,189.28 = 8,212.80/x
  3. Step 3: Cross multiply
    14,787.17x = 22,189.28 × 8,212.80
  4. Step 4: Simplify right side
    14,787.17x = 182,236,118.78
  5. Step 5: Solve for x
    x = 182,236,118.78/14,787.17
  6. Step 6: Final answer
    x = 12,323.93

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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.