Home / 15,531.57-23,273.06-8,505.63

Finding the Fourth Proportional to 15,531.57, 23,273.06 and 8,505.63

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Solution

The fourth proportional to 15,531.57, 23,273.06 and 8,505.63 is: 12,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.57 : 23,273.06 = 8,505.63 : x
  2. Step 2: Convert to fraction form
    15,531.57/23,273.06 = 8,505.63/x
  3. Step 3: Cross multiply
    15,531.57x = 23,273.06 × 8,505.63
  4. Step 4: Simplify right side
    15,531.57x = 197,951,994.80
  5. Step 5: Solve for x
    x = 197,951,994.80/15,531.57
  6. Step 6: Final answer
    x = 12,745.14

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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.