Home / 10,136.62-15,206.38-3,117.22

Finding the Fourth Proportional to 10,136.62, 15,206.38 and 3,117.22

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Solution

The fourth proportional to 10,136.62, 15,206.38 and 3,117.22 is: 4,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.62 : 15,206.38 = 3,117.22 : x
  2. Step 2: Convert to fraction form
    10,136.62/15,206.38 = 3,117.22/x
  3. Step 3: Cross multiply
    10,136.62x = 15,206.38 × 3,117.22
  4. Step 4: Simplify right side
    10,136.62x = 47,401,631.86
  5. Step 5: Solve for x
    x = 47,401,631.86/10,136.62
  6. Step 6: Final answer
    x = 4,676.28

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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.