Home / 12,496.38-17,242.20-7,459.60

Finding the Fourth Proportional to 12,496.38, 17,242.20 and 7,459.60

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Solution

The fourth proportional to 12,496.38, 17,242.20 and 7,459.60 is: 10,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.38 : 17,242.20 = 7,459.60 : x
  2. Step 2: Convert to fraction form
    12,496.38/17,242.20 = 7,459.60/x
  3. Step 3: Cross multiply
    12,496.38x = 17,242.20 × 7,459.60
  4. Step 4: Simplify right side
    12,496.38x = 128,619,915.12
  5. Step 5: Solve for x
    x = 128,619,915.12/12,496.38
  6. Step 6: Final answer
    x = 10,292.57

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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.