Home / 15,141.95-22,704.68-5,278.58

Finding the Fourth Proportional to 15,141.95, 22,704.68 and 5,278.58

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Solution

The fourth proportional to 15,141.95, 22,704.68 and 5,278.58 is: 7,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.95 : 22,704.68 = 5,278.58 : x
  2. Step 2: Convert to fraction form
    15,141.95/22,704.68 = 5,278.58/x
  3. Step 3: Cross multiply
    15,141.95x = 22,704.68 × 5,278.58
  4. Step 4: Simplify right side
    15,141.95x = 119,848,469.75
  5. Step 5: Solve for x
    x = 119,848,469.75/15,141.95
  6. Step 6: Final answer
    x = 7,915.00

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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.