Home / 12,454.29-17,186.94-6,789.08

Finding the Fourth Proportional to 12,454.29, 17,186.94 and 6,789.08

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Solution

The fourth proportional to 12,454.29, 17,186.94 and 6,789.08 is: 9,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.29 : 17,186.94 = 6,789.08 : x
  2. Step 2: Convert to fraction form
    12,454.29/17,186.94 = 6,789.08/x
  3. Step 3: Cross multiply
    12,454.29x = 17,186.94 × 6,789.08
  4. Step 4: Simplify right side
    12,454.29x = 116,683,390.74
  5. Step 5: Solve for x
    x = 116,683,390.74/12,454.29
  6. Step 6: Final answer
    x = 9,368.94

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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.