Home / 9,315.63-13,960.33-7,225.92

Finding the Fourth Proportional to 9,315.63, 13,960.33 and 7,225.92

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Solution

The fourth proportional to 9,315.63, 13,960.33 and 7,225.92 is: 10,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.63 : 13,960.33 = 7,225.92 : x
  2. Step 2: Convert to fraction form
    9,315.63/13,960.33 = 7,225.92/x
  3. Step 3: Cross multiply
    9,315.63x = 13,960.33 × 7,225.92
  4. Step 4: Simplify right side
    9,315.63x = 100,876,227.75
  5. Step 5: Solve for x
    x = 100,876,227.75/9,315.63
  6. Step 6: Final answer
    x = 10,828.71

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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.