Home / 15,515.28-23,273.67-4,422.74

Finding the Fourth Proportional to 15,515.28, 23,273.67 and 4,422.74

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Solution

The fourth proportional to 15,515.28, 23,273.67 and 4,422.74 is: 6,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.28 : 23,273.67 = 4,422.74 : x
  2. Step 2: Convert to fraction form
    15,515.28/23,273.67 = 4,422.74/x
  3. Step 3: Cross multiply
    15,515.28x = 23,273.67 × 4,422.74
  4. Step 4: Simplify right side
    15,515.28x = 102,933,274.89
  5. Step 5: Solve for x
    x = 102,933,274.89/15,515.28
  6. Step 6: Final answer
    x = 6,634.32

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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.