Home / 18,319.34-27,460.54-7,221.73

Finding the Fourth Proportional to 18,319.34, 27,460.54 and 7,221.73

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Solution

The fourth proportional to 18,319.34, 27,460.54 and 7,221.73 is: 10,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.34 : 27,460.54 = 7,221.73 : x
  2. Step 2: Convert to fraction form
    18,319.34/27,460.54 = 7,221.73/x
  3. Step 3: Cross multiply
    18,319.34x = 27,460.54 × 7,221.73
  4. Step 4: Simplify right side
    18,319.34x = 198,312,432.12
  5. Step 5: Solve for x
    x = 198,312,432.12/18,319.34
  6. Step 6: Final answer
    x = 10,825.31

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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.