Home / 18,808.11-28,213.56-6,328.08

Finding the Fourth Proportional to 18,808.11, 28,213.56 and 6,328.08

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Solution

The fourth proportional to 18,808.11, 28,213.56 and 6,328.08 is: 9,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808.11 : 28,213.56 = 6,328.08 : x
  2. Step 2: Convert to fraction form
    18,808.11/28,213.56 = 6,328.08/x
  3. Step 3: Cross multiply
    18,808.11x = 28,213.56 × 6,328.08
  4. Step 4: Simplify right side
    18,808.11x = 178,537,664.76
  5. Step 5: Solve for x
    x = 178,537,664.76/18,808.11
  6. Step 6: Final answer
    x = 9,492.59

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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.