Home / 9,681.14-14,520.36-3,107.90

Finding the Fourth Proportional to 9,681.14, 14,520.36 and 3,107.90

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Solution

The fourth proportional to 9,681.14, 14,520.36 and 3,107.90 is: 4,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.14 : 14,520.36 = 3,107.90 : x
  2. Step 2: Convert to fraction form
    9,681.14/14,520.36 = 3,107.90/x
  3. Step 3: Cross multiply
    9,681.14x = 14,520.36 × 3,107.90
  4. Step 4: Simplify right side
    9,681.14x = 45,127,826.84
  5. Step 5: Solve for x
    x = 45,127,826.84/9,681.14
  6. Step 6: Final answer
    x = 4,661.42

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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.