Home / 13,601.74-20,399.28-10,632.83

Finding the Fourth Proportional to 13,601.74, 20,399.28 and 10,632.83

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Solution

The fourth proportional to 13,601.74, 20,399.28 and 10,632.83 is: 15,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.74 : 20,399.28 = 10,632.83 : x
  2. Step 2: Convert to fraction form
    13,601.74/20,399.28 = 10,632.83/x
  3. Step 3: Cross multiply
    13,601.74x = 20,399.28 × 10,632.83
  4. Step 4: Simplify right side
    13,601.74x = 216,902,076.36
  5. Step 5: Solve for x
    x = 216,902,076.36/13,601.74
  6. Step 6: Final answer
    x = 15,946.64

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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.