Home / 13,498.81-18,654.09-9,734.33

Finding the Fourth Proportional to 13,498.81, 18,654.09 and 9,734.33

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Solution

The fourth proportional to 13,498.81, 18,654.09 and 9,734.33 is: 13,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.81 : 18,654.09 = 9,734.33 : x
  2. Step 2: Convert to fraction form
    13,498.81/18,654.09 = 9,734.33/x
  3. Step 3: Cross multiply
    13,498.81x = 18,654.09 × 9,734.33
  4. Step 4: Simplify right side
    13,498.81x = 181,585,067.91
  5. Step 5: Solve for x
    x = 181,585,067.91/13,498.81
  6. Step 6: Final answer
    x = 13,451.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.