Home / 12,878.14-19,298.58-6,296.89

Finding the Fourth Proportional to 12,878.14, 19,298.58 and 6,296.89

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Solution

The fourth proportional to 12,878.14, 19,298.58 and 6,296.89 is: 9,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878.14 : 19,298.58 = 6,296.89 : x
  2. Step 2: Convert to fraction form
    12,878.14/19,298.58 = 6,296.89/x
  3. Step 3: Cross multiply
    12,878.14x = 19,298.58 × 6,296.89
  4. Step 4: Simplify right side
    12,878.14x = 121,521,035.42
  5. Step 5: Solve for x
    x = 121,521,035.42/12,878.14
  6. Step 6: Final answer
    x = 9,436.23

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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.