Home / 10,686.67-16,030.23-3,291.19

Finding the Fourth Proportional to 10,686.67, 16,030.23 and 3,291.19

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Solution

The fourth proportional to 10,686.67, 16,030.23 and 3,291.19 is: 4,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.67 : 16,030.23 = 3,291.19 : x
  2. Step 2: Convert to fraction form
    10,686.67/16,030.23 = 3,291.19/x
  3. Step 3: Cross multiply
    10,686.67x = 16,030.23 × 3,291.19
  4. Step 4: Simplify right side
    10,686.67x = 52,758,532.67
  5. Step 5: Solve for x
    x = 52,758,532.67/10,686.67
  6. Step 6: Final answer
    x = 4,936.85

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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.