Home / 18,808.08-28,211.85-6,330.84

Finding the Fourth Proportional to 18,808.08, 28,211.85 and 6,330.84

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Solution

The fourth proportional to 18,808.08, 28,211.85 and 6,330.84 is: 9,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808.08 : 28,211.85 = 6,330.84 : x
  2. Step 2: Convert to fraction form
    18,808.08/28,211.85 = 6,330.84/x
  3. Step 3: Cross multiply
    18,808.08x = 28,211.85 × 6,330.84
  4. Step 4: Simplify right side
    18,808.08x = 178,604,708.45
  5. Step 5: Solve for x
    x = 178,604,708.45/18,808.08
  6. Step 6: Final answer
    x = 9,496.17

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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.