Home / 9,348.60-12,901.50-6,367.80

Finding the Fourth Proportional to 9,348.60, 12,901.50 and 6,367.80

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Solution

The fourth proportional to 9,348.60, 12,901.50 and 6,367.80 is: 8,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.60 : 12,901.50 = 6,367.80 : x
  2. Step 2: Convert to fraction form
    9,348.60/12,901.50 = 6,367.80/x
  3. Step 3: Cross multiply
    9,348.60x = 12,901.50 × 6,367.80
  4. Step 4: Simplify right side
    9,348.60x = 82,154,171.70
  5. Step 5: Solve for x
    x = 82,154,171.70/9,348.60
  6. Step 6: Final answer
    x = 8,787.86

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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.