Home / 18,820.45-28,233.36-6,167.50

Finding the Fourth Proportional to 18,820.45, 28,233.36 and 6,167.50

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Solution

The fourth proportional to 18,820.45, 28,233.36 and 6,167.50 is: 9,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.45 : 28,233.36 = 6,167.50 : x
  2. Step 2: Convert to fraction form
    18,820.45/28,233.36 = 6,167.50/x
  3. Step 3: Cross multiply
    18,820.45x = 28,233.36 × 6,167.50
  4. Step 4: Simplify right side
    18,820.45x = 174,129,247.80
  5. Step 5: Solve for x
    x = 174,129,247.80/18,820.45
  6. Step 6: Final answer
    x = 9,252.13

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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.