Home / 17,631.90-26,447.10-5,945.10

Finding the Fourth Proportional to 17,631.90, 26,447.10 and 5,945.10

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Solution

The fourth proportional to 17,631.90, 26,447.10 and 5,945.10 is: 8,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.90 : 26,447.10 = 5,945.10 : x
  2. Step 2: Convert to fraction form
    17,631.90/26,447.10 = 5,945.10/x
  3. Step 3: Cross multiply
    17,631.90x = 26,447.10 × 5,945.10
  4. Step 4: Simplify right side
    17,631.90x = 157,230,654.21
  5. Step 5: Solve for x
    x = 157,230,654.21/17,631.90
  6. Step 6: Final answer
    x = 8,917.40

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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.