Home / 15,775.07-23,664.78-5,778.53

Finding the Fourth Proportional to 15,775.07, 23,664.78 and 5,778.53

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Solution

The fourth proportional to 15,775.07, 23,664.78 and 5,778.53 is: 8,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775.07 : 23,664.78 = 5,778.53 : x
  2. Step 2: Convert to fraction form
    15,775.07/23,664.78 = 5,778.53/x
  3. Step 3: Cross multiply
    15,775.07x = 23,664.78 × 5,778.53
  4. Step 4: Simplify right side
    15,775.07x = 136,747,522.85
  5. Step 5: Solve for x
    x = 136,747,522.85/15,775.07
  6. Step 6: Final answer
    x = 8,668.59

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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.