Home / 18,505.08-27,752.40-6,657.12

Finding the Fourth Proportional to 18,505.08, 27,752.40 and 6,657.12

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Solution

The fourth proportional to 18,505.08, 27,752.40 and 6,657.12 is: 9,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505.08 : 27,752.40 = 6,657.12 : x
  2. Step 2: Convert to fraction form
    18,505.08/27,752.40 = 6,657.12/x
  3. Step 3: Cross multiply
    18,505.08x = 27,752.40 × 6,657.12
  4. Step 4: Simplify right side
    18,505.08x = 184,751,057.09
  5. Step 5: Solve for x
    x = 184,751,057.09/18,505.08
  6. Step 6: Final answer
    x = 9,983.80

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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.