Home / 18,339.28-27,514.42-13,012.72

Finding the Fourth Proportional to 18,339.28, 27,514.42 and 13,012.72

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Solution

The fourth proportional to 18,339.28, 27,514.42 and 13,012.72 is: 19,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.28 : 27,514.42 = 13,012.72 : x
  2. Step 2: Convert to fraction form
    18,339.28/27,514.42 = 13,012.72/x
  3. Step 3: Cross multiply
    18,339.28x = 27,514.42 × 13,012.72
  4. Step 4: Simplify right side
    18,339.28x = 358,037,342.10
  5. Step 5: Solve for x
    x = 358,037,342.10/18,339.28
  6. Step 6: Final answer
    x = 19,522.98

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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.