Home / 9,695.10-14,542.65-3,121.80

Finding the Fourth Proportional to 9,695.10, 14,542.65 and 3,121.80

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Solution

The fourth proportional to 9,695.10, 14,542.65 and 3,121.80 is: 4,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.10 : 14,542.65 = 3,121.80 : x
  2. Step 2: Convert to fraction form
    9,695.10/14,542.65 = 3,121.80/x
  3. Step 3: Cross multiply
    9,695.10x = 14,542.65 × 3,121.80
  4. Step 4: Simplify right side
    9,695.10x = 45,399,244.77
  5. Step 5: Solve for x
    x = 45,399,244.77/9,695.10
  6. Step 6: Final answer
    x = 4,682.70

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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.