Home / 9,384.80-14,067.36-3,143.28

Finding the Fourth Proportional to 9,384.80, 14,067.36 and 3,143.28

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Solution

The fourth proportional to 9,384.80, 14,067.36 and 3,143.28 is: 4,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.80 : 14,067.36 = 3,143.28 : x
  2. Step 2: Convert to fraction form
    9,384.80/14,067.36 = 3,143.28/x
  3. Step 3: Cross multiply
    9,384.80x = 14,067.36 × 3,143.28
  4. Step 4: Simplify right side
    9,384.80x = 44,217,651.34
  5. Step 5: Solve for x
    x = 44,217,651.34/9,384.80
  6. Step 6: Final answer
    x = 4,711.62

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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.