Home / 12,398.08-17,109.36-6,732.72

Finding the Fourth Proportional to 12,398.08, 17,109.36 and 6,732.72

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Solution

The fourth proportional to 12,398.08, 17,109.36 and 6,732.72 is: 9,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.08 : 17,109.36 = 6,732.72 : x
  2. Step 2: Convert to fraction form
    12,398.08/17,109.36 = 6,732.72/x
  3. Step 3: Cross multiply
    12,398.08x = 17,109.36 × 6,732.72
  4. Step 4: Simplify right side
    12,398.08x = 115,192,530.26
  5. Step 5: Solve for x
    x = 115,192,530.26/12,398.08
  6. Step 6: Final answer
    x = 9,291.16

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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.