Home / 15,016.56-22,510.91-7,122.79

Finding the Fourth Proportional to 15,016.56, 22,510.91 and 7,122.79

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Solution

The fourth proportional to 15,016.56, 22,510.91 and 7,122.79 is: 10,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016.56 : 22,510.91 = 7,122.79 : x
  2. Step 2: Convert to fraction form
    15,016.56/22,510.91 = 7,122.79/x
  3. Step 3: Cross multiply
    15,016.56x = 22,510.91 × 7,122.79
  4. Step 4: Simplify right side
    15,016.56x = 160,340,403.96
  5. Step 5: Solve for x
    x = 160,340,403.96/15,016.56
  6. Step 6: Final answer
    x = 10,677.57

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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.