Home / 18,211.56-27,317.70-5,063.75

Finding the Fourth Proportional to 18,211.56, 27,317.70 and 5,063.75

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Solution

The fourth proportional to 18,211.56, 27,317.70 and 5,063.75 is: 7,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.56 : 27,317.70 = 5,063.75 : x
  2. Step 2: Convert to fraction form
    18,211.56/27,317.70 = 5,063.75/x
  3. Step 3: Cross multiply
    18,211.56x = 27,317.70 × 5,063.75
  4. Step 4: Simplify right side
    18,211.56x = 138,329,866.79
  5. Step 5: Solve for x
    x = 138,329,866.79/18,211.56
  6. Step 6: Final answer
    x = 7,595.72

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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.