Home / 18,347.10-27,517.95-5,200.80

Finding the Fourth Proportional to 18,347.10, 27,517.95 and 5,200.80

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Solution

The fourth proportional to 18,347.10, 27,517.95 and 5,200.80 is: 7,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.10 : 27,517.95 = 5,200.80 : x
  2. Step 2: Convert to fraction form
    18,347.10/27,517.95 = 5,200.80/x
  3. Step 3: Cross multiply
    18,347.10x = 27,517.95 × 5,200.80
  4. Step 4: Simplify right side
    18,347.10x = 143,115,354.36
  5. Step 5: Solve for x
    x = 143,115,354.36/18,347.10
  6. Step 6: Final answer
    x = 7,800.43

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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.