Home / 18,727.06-28,094.78-7,040.38

Finding the Fourth Proportional to 18,727.06, 28,094.78 and 7,040.38

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Solution

The fourth proportional to 18,727.06, 28,094.78 and 7,040.38 is: 10,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.06 : 28,094.78 = 7,040.38 : x
  2. Step 2: Convert to fraction form
    18,727.06/28,094.78 = 7,040.38/x
  3. Step 3: Cross multiply
    18,727.06x = 28,094.78 × 7,040.38
  4. Step 4: Simplify right side
    18,727.06x = 197,797,927.22
  5. Step 5: Solve for x
    x = 197,797,927.22/18,727.06
  6. Step 6: Final answer
    x = 10,562.15

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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.