Home / 14,886.20-22,329.30-12,423.80

Finding the Fourth Proportional to 14,886.20, 22,329.30 and 12,423.80

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Solution

The fourth proportional to 14,886.20, 22,329.30 and 12,423.80 is: 18,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.20 : 22,329.30 = 12,423.80 : x
  2. Step 2: Convert to fraction form
    14,886.20/22,329.30 = 12,423.80/x
  3. Step 3: Cross multiply
    14,886.20x = 22,329.30 × 12,423.80
  4. Step 4: Simplify right side
    14,886.20x = 277,414,757.34
  5. Step 5: Solve for x
    x = 277,414,757.34/14,886.20
  6. Step 6: Final answer
    x = 18,635.70

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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.