Home / 38,805.12-58,206.06-11,103.12

Finding the Fourth Proportional to 38,805.12, 58,206.06 and 11,103.12

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Solution

The fourth proportional to 38,805.12, 58,206.06 and 11,103.12 is: 16,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,805.12 : 58,206.06 = 11,103.12 : x
  2. Step 2: Convert to fraction form
    38,805.12/58,206.06 = 11,103.12/x
  3. Step 3: Cross multiply
    38,805.12x = 58,206.06 × 11,103.12
  4. Step 4: Simplify right side
    38,805.12x = 646,268,868.91
  5. Step 5: Solve for x
    x = 646,268,868.91/38,805.12
  6. Step 6: Final answer
    x = 16,654.22

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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.