Home / 18,176.63-25,084.16-11,106.95

Finding the Fourth Proportional to 18,176.63, 25,084.16 and 11,106.95

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Solution

The fourth proportional to 18,176.63, 25,084.16 and 11,106.95 is: 15,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.63 : 25,084.16 = 11,106.95 : x
  2. Step 2: Convert to fraction form
    18,176.63/25,084.16 = 11,106.95/x
  3. Step 3: Cross multiply
    18,176.63x = 25,084.16 × 11,106.95
  4. Step 4: Simplify right side
    18,176.63x = 278,608,329.96
  5. Step 5: Solve for x
    x = 278,608,329.96/18,176.63
  6. Step 6: Final answer
    x = 15,327.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.