Home / 10,324.18-14,249.64-6,787.72

Finding the Fourth Proportional to 10,324.18, 14,249.64 and 6,787.72

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Solution

The fourth proportional to 10,324.18, 14,249.64 and 6,787.72 is: 9,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.18 : 14,249.64 = 6,787.72 : x
  2. Step 2: Convert to fraction form
    10,324.18/14,249.64 = 6,787.72/x
  3. Step 3: Cross multiply
    10,324.18x = 14,249.64 × 6,787.72
  4. Step 4: Simplify right side
    10,324.18x = 96,722,571.51
  5. Step 5: Solve for x
    x = 96,722,571.51/10,324.18
  6. Step 6: Final answer
    x = 9,368.55

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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.