Home / 17,508.64-26,242.80-7,645.60

Finding the Fourth Proportional to 17,508.64, 26,242.80 and 7,645.60

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Solution

The fourth proportional to 17,508.64, 26,242.80 and 7,645.60 is: 11,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,508.64 : 26,242.80 = 7,645.60 : x
  2. Step 2: Convert to fraction form
    17,508.64/26,242.80 = 7,645.60/x
  3. Step 3: Cross multiply
    17,508.64x = 26,242.80 × 7,645.60
  4. Step 4: Simplify right side
    17,508.64x = 200,641,951.68
  5. Step 5: Solve for x
    x = 200,641,951.68/17,508.64
  6. Step 6: Final answer
    x = 11,459.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.