Home / 10,137.23-13,989.32-5,660.96

Finding the Fourth Proportional to 10,137.23, 13,989.32 and 5,660.96

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Solution

The fourth proportional to 10,137.23, 13,989.32 and 5,660.96 is: 7,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.23 : 13,989.32 = 5,660.96 : x
  2. Step 2: Convert to fraction form
    10,137.23/13,989.32 = 5,660.96/x
  3. Step 3: Cross multiply
    10,137.23x = 13,989.32 × 5,660.96
  4. Step 4: Simplify right side
    10,137.23x = 79,192,935.77
  5. Step 5: Solve for x
    x = 79,192,935.77/10,137.23
  6. Step 6: Final answer
    x = 7,812.08

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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.