Home / 10,518.56-15,778.68-6,136.46

Finding the Fourth Proportional to 10,518.56, 15,778.68 and 6,136.46

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Solution

The fourth proportional to 10,518.56, 15,778.68 and 6,136.46 is: 9,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.56 : 15,778.68 = 6,136.46 : x
  2. Step 2: Convert to fraction form
    10,518.56/15,778.68 = 6,136.46/x
  3. Step 3: Cross multiply
    10,518.56x = 15,778.68 × 6,136.46
  4. Step 4: Simplify right side
    10,518.56x = 96,825,238.67
  5. Step 5: Solve for x
    x = 96,825,238.67/10,518.56
  6. Step 6: Final answer
    x = 9,205.18

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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.