Home / 9,491.10-13,098.45-6,984.73

Finding the Fourth Proportional to 9,491.10, 13,098.45 and 6,984.73

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Solution

The fourth proportional to 9,491.10, 13,098.45 and 6,984.73 is: 9,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.10 : 13,098.45 = 6,984.73 : x
  2. Step 2: Convert to fraction form
    9,491.10/13,098.45 = 6,984.73/x
  3. Step 3: Cross multiply
    9,491.10x = 13,098.45 × 6,984.73
  4. Step 4: Simplify right side
    9,491.10x = 91,489,136.67
  5. Step 5: Solve for x
    x = 91,489,136.67/9,491.10
  6. Step 6: Final answer
    x = 9,639.47

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Half scale
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Double scale
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Similar ratio
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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.