Home / 9,070.40-12,517.92-6,970.56

Finding the Fourth Proportional to 9,070.40, 12,517.92 and 6,970.56

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Solution

The fourth proportional to 9,070.40, 12,517.92 and 6,970.56 is: 9,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.40 : 12,517.92 = 6,970.56 : x
  2. Step 2: Convert to fraction form
    9,070.40/12,517.92 = 6,970.56/x
  3. Step 3: Cross multiply
    9,070.40x = 12,517.92 × 6,970.56
  4. Step 4: Simplify right side
    9,070.40x = 87,256,912.44
  5. Step 5: Solve for x
    x = 87,256,912.44/9,070.40
  6. Step 6: Final answer
    x = 9,619.96

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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.