Home / 15,018.28-22,516.48-7,217.98

Finding the Fourth Proportional to 15,018.28, 22,516.48 and 7,217.98

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Solution

The fourth proportional to 15,018.28, 22,516.48 and 7,217.98 is: 10,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.28 : 22,516.48 = 7,217.98 : x
  2. Step 2: Convert to fraction form
    15,018.28/22,516.48 = 7,217.98/x
  3. Step 3: Cross multiply
    15,018.28x = 22,516.48 × 7,217.98
  4. Step 4: Simplify right side
    15,018.28x = 162,523,455.04
  5. Step 5: Solve for x
    x = 162,523,455.04/15,018.28
  6. Step 6: Final answer
    x = 10,821.71

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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.