Home / 10,136.39-15,177.24-6,617.68

Finding the Fourth Proportional to 10,136.39, 15,177.24 and 6,617.68

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Solution

The fourth proportional to 10,136.39, 15,177.24 and 6,617.68 is: 9,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.39 : 15,177.24 = 6,617.68 : x
  2. Step 2: Convert to fraction form
    10,136.39/15,177.24 = 6,617.68/x
  3. Step 3: Cross multiply
    10,136.39x = 15,177.24 × 6,617.68
  4. Step 4: Simplify right side
    10,136.39x = 100,438,079.66
  5. Step 5: Solve for x
    x = 100,438,079.66/10,136.39
  6. Step 6: Final answer
    x = 9,908.67

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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.