Home / 12,123.91-18,167.64-6,853.24

Finding the Fourth Proportional to 12,123.91, 18,167.64 and 6,853.24

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Solution

The fourth proportional to 12,123.91, 18,167.64 and 6,853.24 is: 10,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123.91 : 18,167.64 = 6,853.24 : x
  2. Step 2: Convert to fraction form
    12,123.91/18,167.64 = 6,853.24/x
  3. Step 3: Cross multiply
    12,123.91x = 18,167.64 × 6,853.24
  4. Step 4: Simplify right side
    12,123.91x = 124,507,162.89
  5. Step 5: Solve for x
    x = 124,507,162.89/12,123.91
  6. Step 6: Final answer
    x = 10,269.56

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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.