Home / 9,378.60-12,933.18-6,020.88

Finding the Fourth Proportional to 9,378.60, 12,933.18 and 6,020.88

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Solution

The fourth proportional to 9,378.60, 12,933.18 and 6,020.88 is: 8,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.60 : 12,933.18 = 6,020.88 : x
  2. Step 2: Convert to fraction form
    9,378.60/12,933.18 = 6,020.88/x
  3. Step 3: Cross multiply
    9,378.60x = 12,933.18 × 6,020.88
  4. Step 4: Simplify right side
    9,378.60x = 77,869,124.80
  5. Step 5: Solve for x
    x = 77,869,124.80/9,378.60
  6. Step 6: Final answer
    x = 8,302.85

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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.