Home / 12,508.18-17,261.49-6,918.82

Finding the Fourth Proportional to 12,508.18, 17,261.49 and 6,918.82

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Solution

The fourth proportional to 12,508.18, 17,261.49 and 6,918.82 is: 9,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.18 : 17,261.49 = 6,918.82 : x
  2. Step 2: Convert to fraction form
    12,508.18/17,261.49 = 6,918.82/x
  3. Step 3: Cross multiply
    12,508.18x = 17,261.49 × 6,918.82
  4. Step 4: Simplify right side
    12,508.18x = 119,429,142.24
  5. Step 5: Solve for x
    x = 119,429,142.24/12,508.18
  6. Step 6: Final answer
    x = 9,548.08

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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.