Home / 18,302.39-25,247.55-11,134.49

Finding the Fourth Proportional to 18,302.39, 25,247.55 and 11,134.49

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Solution

The fourth proportional to 18,302.39, 25,247.55 and 11,134.49 is: 15,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.39 : 25,247.55 = 11,134.49 : x
  2. Step 2: Convert to fraction form
    18,302.39/25,247.55 = 11,134.49/x
  3. Step 3: Cross multiply
    18,302.39x = 25,247.55 × 11,134.49
  4. Step 4: Simplify right side
    18,302.39x = 281,118,466.76
  5. Step 5: Solve for x
    x = 281,118,466.76/18,302.39
  6. Step 6: Final answer
    x = 15,359.66

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Half scale
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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.