Home / 10,822.47-16,205.67-9,272.40

Finding the Fourth Proportional to 10,822.47, 16,205.67 and 9,272.40

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Solution

The fourth proportional to 10,822.47, 16,205.67 and 9,272.40 is: 13,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.47 : 16,205.67 = 9,272.40 : x
  2. Step 2: Convert to fraction form
    10,822.47/16,205.67 = 9,272.40/x
  3. Step 3: Cross multiply
    10,822.47x = 16,205.67 × 9,272.40
  4. Step 4: Simplify right side
    10,822.47x = 150,265,454.51
  5. Step 5: Solve for x
    x = 150,265,454.51/10,822.47
  6. Step 6: Final answer
    x = 13,884.58

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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.