Home / 15,503.39-23,255.69-8,102.82

Finding the Fourth Proportional to 15,503.39, 23,255.69 and 8,102.82

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Solution

The fourth proportional to 15,503.39, 23,255.69 and 8,102.82 is: 12,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.39 : 23,255.69 = 8,102.82 : x
  2. Step 2: Convert to fraction form
    15,503.39/23,255.69 = 8,102.82/x
  3. Step 3: Cross multiply
    15,503.39x = 23,255.69 × 8,102.82
  4. Step 4: Simplify right side
    15,503.39x = 188,436,629.53
  5. Step 5: Solve for x
    x = 188,436,629.53/15,503.39
  6. Step 6: Final answer
    x = 12,154.55

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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.