Home / 17,909.31-26,853.48-6,816.82

Finding the Fourth Proportional to 17,909.31, 26,853.48 and 6,816.82

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Solution

The fourth proportional to 17,909.31, 26,853.48 and 6,816.82 is: 10,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.31 : 26,853.48 = 6,816.82 : x
  2. Step 2: Convert to fraction form
    17,909.31/26,853.48 = 6,816.82/x
  3. Step 3: Cross multiply
    17,909.31x = 26,853.48 × 6,816.82
  4. Step 4: Simplify right side
    17,909.31x = 183,055,339.53
  5. Step 5: Solve for x
    x = 183,055,339.53/17,909.31
  6. Step 6: Final answer
    x = 10,221.24

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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.