Home / 15,890.75-23,839.67-5,217.59

Finding the Fourth Proportional to 15,890.75, 23,839.67 and 5,217.59

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Solution

The fourth proportional to 15,890.75, 23,839.67 and 5,217.59 is: 7,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.75 : 23,839.67 = 5,217.59 : x
  2. Step 2: Convert to fraction form
    15,890.75/23,839.67 = 5,217.59/x
  3. Step 3: Cross multiply
    15,890.75x = 23,839.67 × 5,217.59
  4. Step 4: Simplify right side
    15,890.75x = 124,385,517.64
  5. Step 5: Solve for x
    x = 124,385,517.64/15,890.75
  6. Step 6: Final answer
    x = 7,827.54

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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.