Home / 11,358.90-17,022.15-8,374.05

Finding the Fourth Proportional to 11,358.90, 17,022.15 and 8,374.05

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Solution

The fourth proportional to 11,358.90, 17,022.15 and 8,374.05 is: 12,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.90 : 17,022.15 = 8,374.05 : x
  2. Step 2: Convert to fraction form
    11,358.90/17,022.15 = 8,374.05/x
  3. Step 3: Cross multiply
    11,358.90x = 17,022.15 × 8,374.05
  4. Step 4: Simplify right side
    11,358.90x = 142,544,335.21
  5. Step 5: Solve for x
    x = 142,544,335.21/11,358.90
  6. Step 6: Final answer
    x = 12,549.13

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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.