Home / 18,827.43-28,239.61-6,347.18

Finding the Fourth Proportional to 18,827.43, 28,239.61 and 6,347.18

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Solution

The fourth proportional to 18,827.43, 28,239.61 and 6,347.18 is: 9,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.43 : 28,239.61 = 6,347.18 : x
  2. Step 2: Convert to fraction form
    18,827.43/28,239.61 = 6,347.18/x
  3. Step 3: Cross multiply
    18,827.43x = 28,239.61 × 6,347.18
  4. Step 4: Simplify right side
    18,827.43x = 179,241,887.80
  5. Step 5: Solve for x
    x = 179,241,887.80/18,827.43
  6. Step 6: Final answer
    x = 9,520.25

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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.