Home / 18,218.33-25,152.90-14,869.13

Finding the Fourth Proportional to 18,218.33, 25,152.90 and 14,869.13

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Solution

The fourth proportional to 18,218.33, 25,152.90 and 14,869.13 is: 20,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.33 : 25,152.90 = 14,869.13 : x
  2. Step 2: Convert to fraction form
    18,218.33/25,152.90 = 14,869.13/x
  3. Step 3: Cross multiply
    18,218.33x = 25,152.90 × 14,869.13
  4. Step 4: Simplify right side
    18,218.33x = 374,001,539.87
  5. Step 5: Solve for x
    x = 374,001,539.87/18,218.33
  6. Step 6: Final answer
    x = 20,528.87

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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.