Home / 12,836.36-17,712.18-7,247.24

Finding the Fourth Proportional to 12,836.36, 17,712.18 and 7,247.24

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Solution

The fourth proportional to 12,836.36, 17,712.18 and 7,247.24 is: 10,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.36 : 17,712.18 = 7,247.24 : x
  2. Step 2: Convert to fraction form
    12,836.36/17,712.18 = 7,247.24/x
  3. Step 3: Cross multiply
    12,836.36x = 17,712.18 × 7,247.24
  4. Step 4: Simplify right side
    12,836.36x = 128,364,419.38
  5. Step 5: Solve for x
    x = 128,364,419.38/12,836.36
  6. Step 6: Final answer
    x = 10,000.06

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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.