Home / 9,343.20-12,886.84-6,353.72

Finding the Fourth Proportional to 9,343.20, 12,886.84 and 6,353.72

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Solution

The fourth proportional to 9,343.20, 12,886.84 and 6,353.72 is: 8,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.20 : 12,886.84 = 6,353.72 : x
  2. Step 2: Convert to fraction form
    9,343.20/12,886.84 = 6,353.72/x
  3. Step 3: Cross multiply
    9,343.20x = 12,886.84 × 6,353.72
  4. Step 4: Simplify right side
    9,343.20x = 81,879,373.04
  5. Step 5: Solve for x
    x = 81,879,373.04/9,343.20
  6. Step 6: Final answer
    x = 8,763.53

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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.