Home / 18,520.32-27,795.12-6,841.80

Finding the Fourth Proportional to 18,520.32, 27,795.12 and 6,841.80

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Solution

The fourth proportional to 18,520.32, 27,795.12 and 6,841.80 is: 10,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.32 : 27,795.12 = 6,841.80 : x
  2. Step 2: Convert to fraction form
    18,520.32/27,795.12 = 6,841.80/x
  3. Step 3: Cross multiply
    18,520.32x = 27,795.12 × 6,841.80
  4. Step 4: Simplify right side
    18,520.32x = 190,168,652.02
  5. Step 5: Solve for x
    x = 190,168,652.02/18,520.32
  6. Step 6: Final answer
    x = 10,268.11

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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.