Home / 18,918.38-26,107.37-10,534.88

Finding the Fourth Proportional to 18,918.38, 26,107.37 and 10,534.88

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Solution

The fourth proportional to 18,918.38, 26,107.37 and 10,534.88 is: 14,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918.38 : 26,107.37 = 10,534.88 : x
  2. Step 2: Convert to fraction form
    18,918.38/26,107.37 = 10,534.88/x
  3. Step 3: Cross multiply
    18,918.38x = 26,107.37 × 10,534.88
  4. Step 4: Simplify right side
    18,918.38x = 275,037,826.85
  5. Step 5: Solve for x
    x = 275,037,826.85/18,918.38
  6. Step 6: Final answer
    x = 14,538.13

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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.