Home / 18,944.44-28,419.10-10,167.32

Finding the Fourth Proportional to 18,944.44, 28,419.10 and 10,167.32

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Solution

The fourth proportional to 18,944.44, 28,419.10 and 10,167.32 is: 15,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.44 : 28,419.10 = 10,167.32 : x
  2. Step 2: Convert to fraction form
    18,944.44/28,419.10 = 10,167.32/x
  3. Step 3: Cross multiply
    18,944.44x = 28,419.10 × 10,167.32
  4. Step 4: Simplify right side
    18,944.44x = 288,946,083.81
  5. Step 5: Solve for x
    x = 288,946,083.81/18,944.44
  6. Step 6: Final answer
    x = 15,252.29

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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.