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Finding the Fourth Proportional to 12,046.99, 16,640.73 and 9,248.94

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Solution

The fourth proportional to 12,046.99, 16,640.73 and 9,248.94 is: 12,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.99 : 16,640.73 = 9,248.94 : x
  2. Step 2: Convert to fraction form
    12,046.99/16,640.73 = 9,248.94/x
  3. Step 3: Cross multiply
    12,046.99x = 16,640.73 × 9,248.94
  4. Step 4: Simplify right side
    12,046.99x = 153,909,030.12
  5. Step 5: Solve for x
    x = 153,909,030.12/12,046.99
  6. Step 6: Final answer
    x = 12,775.72

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Double scale
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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.