Home / 10,864.71-16,291.26-5,307.03

Finding the Fourth Proportional to 10,864.71, 16,291.26 and 5,307.03

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Solution

The fourth proportional to 10,864.71, 16,291.26 and 5,307.03 is: 7,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.71 : 16,291.26 = 5,307.03 : x
  2. Step 2: Convert to fraction form
    10,864.71/16,291.26 = 5,307.03/x
  3. Step 3: Cross multiply
    10,864.71x = 16,291.26 × 5,307.03
  4. Step 4: Simplify right side
    10,864.71x = 86,458,205.56
  5. Step 5: Solve for x
    x = 86,458,205.56/10,864.71
  6. Step 6: Final answer
    x = 7,957.71

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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.