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Finding the Fourth Proportional to 15,354.11, 23,012.22 and 7,954.31

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Solution

The fourth proportional to 15,354.11, 23,012.22 and 7,954.31 is: 11,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.11 : 23,012.22 = 7,954.31 : x
  2. Step 2: Convert to fraction form
    15,354.11/23,012.22 = 7,954.31/x
  3. Step 3: Cross multiply
    15,354.11x = 23,012.22 × 7,954.31
  4. Step 4: Simplify right side
    15,354.11x = 183,046,331.67
  5. Step 5: Solve for x
    x = 183,046,331.67/15,354.11
  6. Step 6: Final answer
    x = 11,921.65

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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.