Home / 10,136.73-15,206.55-3,117.33

Finding the Fourth Proportional to 10,136.73, 15,206.55 and 3,117.33

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Solution

The fourth proportional to 10,136.73, 15,206.55 and 3,117.33 is: 4,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.73 : 15,206.55 = 3,117.33 : x
  2. Step 2: Convert to fraction form
    10,136.73/15,206.55 = 3,117.33/x
  3. Step 3: Cross multiply
    10,136.73x = 15,206.55 × 3,117.33
  4. Step 4: Simplify right side
    10,136.73x = 47,403,818.92
  5. Step 5: Solve for x
    x = 47,403,818.92/10,136.73
  6. Step 6: Final answer
    x = 4,676.44

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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.