Home / 10,553.09-15,837.41-5,006.45

Finding the Fourth Proportional to 10,553.09, 15,837.41 and 5,006.45

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Solution

The fourth proportional to 10,553.09, 15,837.41 and 5,006.45 is: 7,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.09 : 15,837.41 = 5,006.45 : x
  2. Step 2: Convert to fraction form
    10,553.09/15,837.41 = 5,006.45/x
  3. Step 3: Cross multiply
    10,553.09x = 15,837.41 × 5,006.45
  4. Step 4: Simplify right side
    10,553.09x = 79,289,097.08
  5. Step 5: Solve for x
    x = 79,289,097.08/10,553.09
  6. Step 6: Final answer
    x = 7,513.36

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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.