Home / 18,475.80-27,708.30-6,628.20

Finding the Fourth Proportional to 18,475.80, 27,708.30 and 6,628.20

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Solution

The fourth proportional to 18,475.80, 27,708.30 and 6,628.20 is: 9,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.80 : 27,708.30 = 6,628.20 : x
  2. Step 2: Convert to fraction form
    18,475.80/27,708.30 = 6,628.20/x
  3. Step 3: Cross multiply
    18,475.80x = 27,708.30 × 6,628.20
  4. Step 4: Simplify right side
    18,475.80x = 183,656,154.06
  5. Step 5: Solve for x
    x = 183,656,154.06/18,475.80
  6. Step 6: Final answer
    x = 9,940.36

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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.