Home / 18,646.13-27,969.30-6,959.25

Finding the Fourth Proportional to 18,646.13, 27,969.30 and 6,959.25

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Solution

The fourth proportional to 18,646.13, 27,969.30 and 6,959.25 is: 10,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.13 : 27,969.30 = 6,959.25 : x
  2. Step 2: Convert to fraction form
    18,646.13/27,969.30 = 6,959.25/x
  3. Step 3: Cross multiply
    18,646.13x = 27,969.30 × 6,959.25
  4. Step 4: Simplify right side
    18,646.13x = 194,645,351.03
  5. Step 5: Solve for x
    x = 194,645,351.03/18,646.13
  6. Step 6: Final answer
    x = 10,438.91

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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.