Home / 10,065.06-15,107.92-6,723.20

Finding the Fourth Proportional to 10,065.06, 15,107.92 and 6,723.20

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Solution

The fourth proportional to 10,065.06, 15,107.92 and 6,723.20 is: 10,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.06 : 15,107.92 = 6,723.20 : x
  2. Step 2: Convert to fraction form
    10,065.06/15,107.92 = 6,723.20/x
  3. Step 3: Cross multiply
    10,065.06x = 15,107.92 × 6,723.20
  4. Step 4: Simplify right side
    10,065.06x = 101,573,588.71
  5. Step 5: Solve for x
    x = 101,573,588.71/10,065.06
  6. Step 6: Final answer
    x = 10,091.70

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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.