Home / 9,356.85-14,031.68-3,115.62

Finding the Fourth Proportional to 9,356.85, 14,031.68 and 3,115.62

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Solution

The fourth proportional to 9,356.85, 14,031.68 and 3,115.62 is: 4,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.85 : 14,031.68 = 3,115.62 : x
  2. Step 2: Convert to fraction form
    9,356.85/14,031.68 = 3,115.62/x
  3. Step 3: Cross multiply
    9,356.85x = 14,031.68 × 3,115.62
  4. Step 4: Simplify right side
    9,356.85x = 43,717,367.26
  5. Step 5: Solve for x
    x = 43,717,367.26/9,356.85
  6. Step 6: Final answer
    x = 4,672.23

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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.