Home / 9,213.91-12,715.19-5,022.16

Finding the Fourth Proportional to 9,213.91, 12,715.19 and 5,022.16

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Solution

The fourth proportional to 9,213.91, 12,715.19 and 5,022.16 is: 6,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.91 : 12,715.19 = 5,022.16 : x
  2. Step 2: Convert to fraction form
    9,213.91/12,715.19 = 5,022.16/x
  3. Step 3: Cross multiply
    9,213.91x = 12,715.19 × 5,022.16
  4. Step 4: Simplify right side
    9,213.91x = 63,857,718.61
  5. Step 5: Solve for x
    x = 63,857,718.61/9,213.91
  6. Step 6: Final answer
    x = 6,930.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.