Home / 15,007.28-22,513.66-5,147.56

Finding the Fourth Proportional to 15,007.28, 22,513.66 and 5,147.56

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Solution

The fourth proportional to 15,007.28, 22,513.66 and 5,147.56 is: 7,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.28 : 22,513.66 = 5,147.56 : x
  2. Step 2: Convert to fraction form
    15,007.28/22,513.66 = 5,147.56/x
  3. Step 3: Cross multiply
    15,007.28x = 22,513.66 × 5,147.56
  4. Step 4: Simplify right side
    15,007.28x = 115,890,415.67
  5. Step 5: Solve for x
    x = 115,890,415.67/15,007.28
  6. Step 6: Final answer
    x = 7,722.28

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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.