Home / 15,222.28-22,833.42-4,128.98

Finding the Fourth Proportional to 15,222.28, 22,833.42 and 4,128.98

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Solution

The fourth proportional to 15,222.28, 22,833.42 and 4,128.98 is: 6,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,222.28 : 22,833.42 = 4,128.98 : x
  2. Step 2: Convert to fraction form
    15,222.28/22,833.42 = 4,128.98/x
  3. Step 3: Cross multiply
    15,222.28x = 22,833.42 × 4,128.98
  4. Step 4: Simplify right side
    15,222.28x = 94,278,734.51
  5. Step 5: Solve for x
    x = 94,278,734.51/15,222.28
  6. Step 6: Final answer
    x = 6,193.47

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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.