Home / 18,218.39-25,152.98-14,869.19

Finding the Fourth Proportional to 18,218.39, 25,152.98 and 14,869.19

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Solution

The fourth proportional to 18,218.39, 25,152.98 and 14,869.19 is: 20,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.39 : 25,152.98 = 14,869.19 : x
  2. Step 2: Convert to fraction form
    18,218.39/25,152.98 = 14,869.19/x
  3. Step 3: Cross multiply
    18,218.39x = 25,152.98 × 14,869.19
  4. Step 4: Simplify right side
    18,218.39x = 374,004,294.33
  5. Step 5: Solve for x
    x = 374,004,294.33/18,218.39
  6. Step 6: Final answer
    x = 20,528.95

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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.