Home / 15,868.55-23,820.12-11,695.62

Finding the Fourth Proportional to 15,868.55, 23,820.12 and 11,695.62

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Solution

The fourth proportional to 15,868.55, 23,820.12 and 11,695.62 is: 17,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,868.55 : 23,820.12 = 11,695.62 : x
  2. Step 2: Convert to fraction form
    15,868.55/23,820.12 = 11,695.62/x
  3. Step 3: Cross multiply
    15,868.55x = 23,820.12 × 11,695.62
  4. Step 4: Simplify right side
    15,868.55x = 278,591,071.87
  5. Step 5: Solve for x
    x = 278,591,071.87/15,868.55
  6. Step 6: Final answer
    x = 17,556.18

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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.