Home / 10,136.48-15,206.05-3,116.97

Finding the Fourth Proportional to 10,136.48, 15,206.05 and 3,116.97

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Solution

The fourth proportional to 10,136.48, 15,206.05 and 3,116.97 is: 4,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.48 : 15,206.05 = 3,116.97 : x
  2. Step 2: Convert to fraction form
    10,136.48/15,206.05 = 3,116.97/x
  3. Step 3: Cross multiply
    10,136.48x = 15,206.05 × 3,116.97
  4. Step 4: Simplify right side
    10,136.48x = 47,396,805.56
  5. Step 5: Solve for x
    x = 47,396,805.56/10,136.48
  6. Step 6: Final answer
    x = 4,675.87

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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.