Home / 11,463.27-15,822.12-6,989.49

Finding the Fourth Proportional to 11,463.27, 15,822.12 and 6,989.49

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Solution

The fourth proportional to 11,463.27, 15,822.12 and 6,989.49 is: 9,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.27 : 15,822.12 = 6,989.49 : x
  2. Step 2: Convert to fraction form
    11,463.27/15,822.12 = 6,989.49/x
  3. Step 3: Cross multiply
    11,463.27x = 15,822.12 × 6,989.49
  4. Step 4: Simplify right side
    11,463.27x = 110,588,516.40
  5. Step 5: Solve for x
    x = 110,588,516.40/11,463.27
  6. Step 6: Final answer
    x = 9,647.21

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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.