Home / 15,515.95-23,277.57-4,422.80

Finding the Fourth Proportional to 15,515.95, 23,277.57 and 4,422.80

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Solution

The fourth proportional to 15,515.95, 23,277.57 and 4,422.80 is: 6,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.95 : 23,277.57 = 4,422.80 : x
  2. Step 2: Convert to fraction form
    15,515.95/23,277.57 = 4,422.80/x
  3. Step 3: Cross multiply
    15,515.95x = 23,277.57 × 4,422.80
  4. Step 4: Simplify right side
    15,515.95x = 102,951,903.62
  5. Step 5: Solve for x
    x = 102,951,903.62/15,515.95
  6. Step 6: Final answer
    x = 6,635.23

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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.