Home / 13,260.85-18,299.97-7,292.92

Finding the Fourth Proportional to 13,260.85, 18,299.97 and 7,292.92

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Solution

The fourth proportional to 13,260.85, 18,299.97 and 7,292.92 is: 10,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.85 : 18,299.97 = 7,292.92 : x
  2. Step 2: Convert to fraction form
    13,260.85/18,299.97 = 7,292.92/x
  3. Step 3: Cross multiply
    13,260.85x = 18,299.97 × 7,292.92
  4. Step 4: Simplify right side
    13,260.85x = 133,460,171.46
  5. Step 5: Solve for x
    x = 133,460,171.46/13,260.85
  6. Step 6: Final answer
    x = 10,064.23

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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.