Home / 9,406.40-14,109.15-3,165.80

Finding the Fourth Proportional to 9,406.40, 14,109.15 and 3,165.80

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Solution

The fourth proportional to 9,406.40, 14,109.15 and 3,165.80 is: 4,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,406.40 : 14,109.15 = 3,165.80 : x
  2. Step 2: Convert to fraction form
    9,406.40/14,109.15 = 3,165.80/x
  3. Step 3: Cross multiply
    9,406.40x = 14,109.15 × 3,165.80
  4. Step 4: Simplify right side
    9,406.40x = 44,666,747.07
  5. Step 5: Solve for x
    x = 44,666,747.07/9,406.40
  6. Step 6: Final answer
    x = 4,748.55

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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.