Home / 18,476.40-27,718.60-6,790.48

Finding the Fourth Proportional to 18,476.40, 27,718.60 and 6,790.48

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Solution

The fourth proportional to 18,476.40, 27,718.60 and 6,790.48 is: 10,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.40 : 27,718.60 = 6,790.48 : x
  2. Step 2: Convert to fraction form
    18,476.40/27,718.60 = 6,790.48/x
  3. Step 3: Cross multiply
    18,476.40x = 27,718.60 × 6,790.48
  4. Step 4: Simplify right side
    18,476.40x = 188,222,598.93
  5. Step 5: Solve for x
    x = 188,222,598.93/18,476.40
  6. Step 6: Final answer
    x = 10,187.19

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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.