Home / 12,148.66-18,232.89-6,306.94

Finding the Fourth Proportional to 12,148.66, 18,232.89 and 6,306.94

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Solution

The fourth proportional to 12,148.66, 18,232.89 and 6,306.94 is: 9,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.66 : 18,232.89 = 6,306.94 : x
  2. Step 2: Convert to fraction form
    12,148.66/18,232.89 = 6,306.94/x
  3. Step 3: Cross multiply
    12,148.66x = 18,232.89 × 6,306.94
  4. Step 4: Simplify right side
    12,148.66x = 114,993,743.26
  5. Step 5: Solve for x
    x = 114,993,743.26/12,148.66
  6. Step 6: Final answer
    x = 9,465.55

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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.