Home / 13,262.18-18,302.10-7,294.15

Finding the Fourth Proportional to 13,262.18, 18,302.10 and 7,294.15

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Solution

The fourth proportional to 13,262.18, 18,302.10 and 7,294.15 is: 10,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.18 : 18,302.10 = 7,294.15 : x
  2. Step 2: Convert to fraction form
    13,262.18/18,302.10 = 7,294.15/x
  3. Step 3: Cross multiply
    13,262.18x = 18,302.10 × 7,294.15
  4. Step 4: Simplify right side
    13,262.18x = 133,498,299.27
  5. Step 5: Solve for x
    x = 133,498,299.27/13,262.18
  6. Step 6: Final answer
    x = 10,066.09

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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.