Home / 15,904.75-23,820.20-15,351.18

Finding the Fourth Proportional to 15,904.75, 23,820.20 and 15,351.18

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Solution

The fourth proportional to 15,904.75, 23,820.20 and 15,351.18 is: 22,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.75 : 23,820.20 = 15,351.18 : x
  2. Step 2: Convert to fraction form
    15,904.75/23,820.20 = 15,351.18/x
  3. Step 3: Cross multiply
    15,904.75x = 23,820.20 × 15,351.18
  4. Step 4: Simplify right side
    15,904.75x = 365,668,177.84
  5. Step 5: Solve for x
    x = 365,668,177.84/15,904.75
  6. Step 6: Final answer
    x = 22,991.13

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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.