Home / 9,133.80-13,689.90-6,822.60

Finding the Fourth Proportional to 9,133.80, 13,689.90 and 6,822.60

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Solution

The fourth proportional to 9,133.80, 13,689.90 and 6,822.60 is: 10,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.80 : 13,689.90 = 6,822.60 : x
  2. Step 2: Convert to fraction form
    9,133.80/13,689.90 = 6,822.60/x
  3. Step 3: Cross multiply
    9,133.80x = 13,689.90 × 6,822.60
  4. Step 4: Simplify right side
    9,133.80x = 93,400,711.74
  5. Step 5: Solve for x
    x = 93,400,711.74/9,133.80
  6. Step 6: Final answer
    x = 10,225.83

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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.