Home / 11,085.20-16,632.65-6,468.20

Finding the Fourth Proportional to 11,085.20, 16,632.65 and 6,468.20

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Solution

The fourth proportional to 11,085.20, 16,632.65 and 6,468.20 is: 9,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.20 : 16,632.65 = 6,468.20 : x
  2. Step 2: Convert to fraction form
    11,085.20/16,632.65 = 6,468.20/x
  3. Step 3: Cross multiply
    11,085.20x = 16,632.65 × 6,468.20
  4. Step 4: Simplify right side
    11,085.20x = 107,583,191.23
  5. Step 5: Solve for x
    x = 107,583,191.23/11,085.20
  6. Step 6: Final answer
    x = 9,705.12

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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.