Home / 10,150.65-15,225.80-5,217.39

Finding the Fourth Proportional to 10,150.65, 15,225.80 and 5,217.39

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Solution

The fourth proportional to 10,150.65, 15,225.80 and 5,217.39 is: 7,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.65 : 15,225.80 = 5,217.39 : x
  2. Step 2: Convert to fraction form
    10,150.65/15,225.80 = 5,217.39/x
  3. Step 3: Cross multiply
    10,150.65x = 15,225.80 × 5,217.39
  4. Step 4: Simplify right side
    10,150.65x = 79,438,910.58
  5. Step 5: Solve for x
    x = 79,438,910.58/10,150.65
  6. Step 6: Final answer
    x = 7,825.99

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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.