Home / 6,786.24-10,170.12-6,586.76

Finding the Fourth Proportional to 6,786.24, 10,170.12 and 6,586.76

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Solution

The fourth proportional to 6,786.24, 10,170.12 and 6,586.76 is: 9,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.24 : 10,170.12 = 6,586.76 : x
  2. Step 2: Convert to fraction form
    6,786.24/10,170.12 = 6,586.76/x
  3. Step 3: Cross multiply
    6,786.24x = 10,170.12 × 6,586.76
  4. Step 4: Simplify right side
    6,786.24x = 66,988,139.61
  5. Step 5: Solve for x
    x = 66,988,139.61/6,786.24
  6. Step 6: Final answer
    x = 9,871.17

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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.