Home / 9,405.71-14,108.66-3,855.18

Finding the Fourth Proportional to 9,405.71, 14,108.66 and 3,855.18

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Solution

The fourth proportional to 9,405.71, 14,108.66 and 3,855.18 is: 5,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.71 : 14,108.66 = 3,855.18 : x
  2. Step 2: Convert to fraction form
    9,405.71/14,108.66 = 3,855.18/x
  3. Step 3: Cross multiply
    9,405.71x = 14,108.66 × 3,855.18
  4. Step 4: Simplify right side
    9,405.71x = 54,391,423.86
  5. Step 5: Solve for x
    x = 54,391,423.86/9,405.71
  6. Step 6: Final answer
    x = 5,782.81

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1.5x scale

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.