Home / 9,491.06-13,097.41-5,242.21

Finding the Fourth Proportional to 9,491.06, 13,097.41 and 5,242.21

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Solution

The fourth proportional to 9,491.06, 13,097.41 and 5,242.21 is: 7,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.06 : 13,097.41 = 5,242.21 : x
  2. Step 2: Convert to fraction form
    9,491.06/13,097.41 = 5,242.21/x
  3. Step 3: Cross multiply
    9,491.06x = 13,097.41 × 5,242.21
  4. Step 4: Simplify right side
    9,491.06x = 68,659,373.68
  5. Step 5: Solve for x
    x = 68,659,373.68/9,491.06
  6. Step 6: Final answer
    x = 7,234.11

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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.