Home / 10,323.03-15,490.39-4,399.29

Finding the Fourth Proportional to 10,323.03, 15,490.39 and 4,399.29

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Solution

The fourth proportional to 10,323.03, 15,490.39 and 4,399.29 is: 6,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.03 : 15,490.39 = 4,399.29 : x
  2. Step 2: Convert to fraction form
    10,323.03/15,490.39 = 4,399.29/x
  3. Step 3: Cross multiply
    10,323.03x = 15,490.39 × 4,399.29
  4. Step 4: Simplify right side
    10,323.03x = 68,146,717.82
  5. Step 5: Solve for x
    x = 68,146,717.82/10,323.03
  6. Step 6: Final answer
    x = 6,601.43

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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.