Home / 9,491.65-13,098.14-5,242.64

Finding the Fourth Proportional to 9,491.65, 13,098.14 and 5,242.64

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Solution

The fourth proportional to 9,491.65, 13,098.14 and 5,242.64 is: 7,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.65 : 13,098.14 = 5,242.64 : x
  2. Step 2: Convert to fraction form
    9,491.65/13,098.14 = 5,242.64/x
  3. Step 3: Cross multiply
    9,491.65x = 13,098.14 × 5,242.64
  4. Step 4: Simplify right side
    9,491.65x = 68,668,839.22
  5. Step 5: Solve for x
    x = 68,668,839.22/9,491.65
  6. Step 6: Final answer
    x = 7,234.66

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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.