Home / 18,868.38-26,037.12-10,370.32

Finding the Fourth Proportional to 18,868.38, 26,037.12 and 10,370.32

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Solution

The fourth proportional to 18,868.38, 26,037.12 and 10,370.32 is: 14,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.38 : 26,037.12 = 10,370.32 : x
  2. Step 2: Convert to fraction form
    18,868.38/26,037.12 = 10,370.32/x
  3. Step 3: Cross multiply
    18,868.38x = 26,037.12 × 10,370.32
  4. Step 4: Simplify right side
    18,868.38x = 270,013,266.28
  5. Step 5: Solve for x
    x = 270,013,266.28/18,868.38
  6. Step 6: Final answer
    x = 14,310.36

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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.