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Finding the Fourth Proportional to 15,352.56, 23,028.48 and 7,954.56

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Solution

The fourth proportional to 15,352.56, 23,028.48 and 7,954.56 is: 11,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.56 : 23,028.48 = 7,954.56 : x
  2. Step 2: Convert to fraction form
    15,352.56/23,028.48 = 7,954.56/x
  3. Step 3: Cross multiply
    15,352.56x = 23,028.48 × 7,954.56
  4. Step 4: Simplify right side
    15,352.56x = 183,181,425.87
  5. Step 5: Solve for x
    x = 183,181,425.87/15,352.56
  6. Step 6: Final answer
    x = 11,931.65

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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.