Home / 12,659.40-17,466.12-7,353.18

Finding the Fourth Proportional to 12,659.40, 17,466.12 and 7,353.18

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Solution

The fourth proportional to 12,659.40, 17,466.12 and 7,353.18 is: 10,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.40 : 17,466.12 = 7,353.18 : x
  2. Step 2: Convert to fraction form
    12,659.40/17,466.12 = 7,353.18/x
  3. Step 3: Cross multiply
    12,659.40x = 17,466.12 × 7,353.18
  4. Step 4: Simplify right side
    12,659.40x = 128,431,524.26
  5. Step 5: Solve for x
    x = 128,431,524.26/12,659.40
  6. Step 6: Final answer
    x = 10,145.15

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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.