Home / 17,937.80-26,905.35-7,945.64

Finding the Fourth Proportional to 17,937.80, 26,905.35 and 7,945.64

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Solution

The fourth proportional to 17,937.80, 26,905.35 and 7,945.64 is: 11,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.80 : 26,905.35 = 7,945.64 : x
  2. Step 2: Convert to fraction form
    17,937.80/26,905.35 = 7,945.64/x
  3. Step 3: Cross multiply
    17,937.80x = 26,905.35 × 7,945.64
  4. Step 4: Simplify right side
    17,937.80x = 213,780,225.17
  5. Step 5: Solve for x
    x = 213,780,225.17/17,937.80
  6. Step 6: Final answer
    x = 11,917.86

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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.