Home / 18,287.12-27,420.42-5,804.82

Finding the Fourth Proportional to 18,287.12, 27,420.42 and 5,804.82

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Solution

The fourth proportional to 18,287.12, 27,420.42 and 5,804.82 is: 8,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.12 : 27,420.42 = 5,804.82 : x
  2. Step 2: Convert to fraction form
    18,287.12/27,420.42 = 5,804.82/x
  3. Step 3: Cross multiply
    18,287.12x = 27,420.42 × 5,804.82
  4. Step 4: Simplify right side
    18,287.12x = 159,170,602.42
  5. Step 5: Solve for x
    x = 159,170,602.42/18,287.12
  6. Step 6: Final answer
    x = 8,703.97

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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.