Home / 11,497.28-17,254.20-7,790.32

Finding the Fourth Proportional to 11,497.28, 17,254.20 and 7,790.32

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Solution

The fourth proportional to 11,497.28, 17,254.20 and 7,790.32 is: 11,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,497.28 : 17,254.20 = 7,790.32 : x
  2. Step 2: Convert to fraction form
    11,497.28/17,254.20 = 7,790.32/x
  3. Step 3: Cross multiply
    11,497.28x = 17,254.20 × 7,790.32
  4. Step 4: Simplify right side
    11,497.28x = 134,415,739.34
  5. Step 5: Solve for x
    x = 134,415,739.34/11,497.28
  6. Step 6: Final answer
    x = 11,691.09

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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.