Home / 13,248.30-18,283.11-7,280.19

Finding the Fourth Proportional to 13,248.30, 18,283.11 and 7,280.19

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Solution

The fourth proportional to 13,248.30, 18,283.11 and 7,280.19 is: 10,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.30 : 18,283.11 = 7,280.19 : x
  2. Step 2: Convert to fraction form
    13,248.30/18,283.11 = 7,280.19/x
  3. Step 3: Cross multiply
    13,248.30x = 18,283.11 × 7,280.19
  4. Step 4: Simplify right side
    13,248.30x = 133,104,514.59
  5. Step 5: Solve for x
    x = 133,104,514.59/13,248.30
  6. Step 6: Final answer
    x = 10,046.91

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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.