Home / 9,491.32-13,097.95-5,242.65

Finding the Fourth Proportional to 9,491.32, 13,097.95 and 5,242.65

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Solution

The fourth proportional to 9,491.32, 13,097.95 and 5,242.65 is: 7,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.32 : 13,097.95 = 5,242.65 : x
  2. Step 2: Convert to fraction form
    9,491.32/13,097.95 = 5,242.65/x
  3. Step 3: Cross multiply
    9,491.32x = 13,097.95 × 5,242.65
  4. Step 4: Simplify right side
    9,491.32x = 68,667,967.57
  5. Step 5: Solve for x
    x = 68,667,967.57/9,491.32
  6. Step 6: Final answer
    x = 7,234.82

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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.