Home / 10,728.04-16,092.76-4,154.28

Finding the Fourth Proportional to 10,728.04, 16,092.76 and 4,154.28

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Solution

The fourth proportional to 10,728.04, 16,092.76 and 4,154.28 is: 6,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.04 : 16,092.76 = 4,154.28 : x
  2. Step 2: Convert to fraction form
    10,728.04/16,092.76 = 4,154.28/x
  3. Step 3: Cross multiply
    10,728.04x = 16,092.76 × 4,154.28
  4. Step 4: Simplify right side
    10,728.04x = 66,853,831.01
  5. Step 5: Solve for x
    x = 66,853,831.01/10,728.04
  6. Step 6: Final answer
    x = 6,231.69

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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.