Home / 18,944.24-26,143.92-10,988.96

Finding the Fourth Proportional to 18,944.24, 26,143.92 and 10,988.96

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Solution

The fourth proportional to 18,944.24, 26,143.92 and 10,988.96 is: 15,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.24 : 26,143.92 = 10,988.96 : x
  2. Step 2: Convert to fraction form
    18,944.24/26,143.92 = 10,988.96/x
  3. Step 3: Cross multiply
    18,944.24x = 26,143.92 × 10,988.96
  4. Step 4: Simplify right side
    18,944.24x = 287,294,491.12
  5. Step 5: Solve for x
    x = 287,294,491.12/18,944.24
  6. Step 6: Final answer
    x = 15,165.27

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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.