Home / 18,820.83-28,233.93-6,167.88

Finding the Fourth Proportional to 18,820.83, 28,233.93 and 6,167.88

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Solution

The fourth proportional to 18,820.83, 28,233.93 and 6,167.88 is: 9,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.83 : 28,233.93 = 6,167.88 : x
  2. Step 2: Convert to fraction form
    18,820.83/28,233.93 = 6,167.88/x
  3. Step 3: Cross multiply
    18,820.83x = 28,233.93 × 6,167.88
  4. Step 4: Simplify right side
    18,820.83x = 174,143,492.17
  5. Step 5: Solve for x
    x = 174,143,492.17/18,820.83
  6. Step 6: Final answer
    x = 9,252.70

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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.