Home / 10,728.46-16,058.67-10,320.22

Finding the Fourth Proportional to 10,728.46, 16,058.67 and 10,320.22

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Solution

The fourth proportional to 10,728.46, 16,058.67 and 10,320.22 is: 15,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.46 : 16,058.67 = 10,320.22 : x
  2. Step 2: Convert to fraction form
    10,728.46/16,058.67 = 10,320.22/x
  3. Step 3: Cross multiply
    10,728.46x = 16,058.67 × 10,320.22
  4. Step 4: Simplify right side
    10,728.46x = 165,729,007.31
  5. Step 5: Solve for x
    x = 165,729,007.31/10,728.46
  6. Step 6: Final answer
    x = 15,447.60

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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.