Home / 9,429.92-13,015.11-6,243.27

Finding the Fourth Proportional to 9,429.92, 13,015.11 and 6,243.27

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Solution

The fourth proportional to 9,429.92, 13,015.11 and 6,243.27 is: 8,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.92 : 13,015.11 = 6,243.27 : x
  2. Step 2: Convert to fraction form
    9,429.92/13,015.11 = 6,243.27/x
  3. Step 3: Cross multiply
    9,429.92x = 13,015.11 × 6,243.27
  4. Step 4: Simplify right side
    9,429.92x = 81,256,845.81
  5. Step 5: Solve for x
    x = 81,256,845.81/9,429.92
  6. Step 6: Final answer
    x = 8,616.92

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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.