Home / 10,217.53-15,330.91-5,217.33

Finding the Fourth Proportional to 10,217.53, 15,330.91 and 5,217.33

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Solution

The fourth proportional to 10,217.53, 15,330.91 and 5,217.33 is: 7,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.53 : 15,330.91 = 5,217.33 : x
  2. Step 2: Convert to fraction form
    10,217.53/15,330.91 = 5,217.33/x
  3. Step 3: Cross multiply
    10,217.53x = 15,330.91 × 5,217.33
  4. Step 4: Simplify right side
    10,217.53x = 79,986,399.34
  5. Step 5: Solve for x
    x = 79,986,399.34/10,217.53
  6. Step 6: Final answer
    x = 7,828.35

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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.