Home / 12,612.36-17,403.24-7,306.20

Finding the Fourth Proportional to 12,612.36, 17,403.24 and 7,306.20

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Solution

The fourth proportional to 12,612.36, 17,403.24 and 7,306.20 is: 10,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.36 : 17,403.24 = 7,306.20 : x
  2. Step 2: Convert to fraction form
    12,612.36/17,403.24 = 7,306.20/x
  3. Step 3: Cross multiply
    12,612.36x = 17,403.24 × 7,306.20
  4. Step 4: Simplify right side
    12,612.36x = 127,151,552.09
  5. Step 5: Solve for x
    x = 127,151,552.09/12,612.36
  6. Step 6: Final answer
    x = 10,081.50

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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.