Home / 12,606.60-17,412.39-9,244.56

Finding the Fourth Proportional to 12,606.60, 17,412.39 and 9,244.56

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Solution

The fourth proportional to 12,606.60, 17,412.39 and 9,244.56 is: 12,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.60 : 17,412.39 = 9,244.56 : x
  2. Step 2: Convert to fraction form
    12,606.60/17,412.39 = 9,244.56/x
  3. Step 3: Cross multiply
    12,606.60x = 17,412.39 × 9,244.56
  4. Step 4: Simplify right side
    12,606.60x = 160,969,884.10
  5. Step 5: Solve for x
    x = 160,969,884.10/12,606.60
  6. Step 6: Final answer
    x = 12,768.70

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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.