Home / 14,127.71-21,191.57-5,360.54

Finding the Fourth Proportional to 14,127.71, 21,191.57 and 5,360.54

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Solution

The fourth proportional to 14,127.71, 21,191.57 and 5,360.54 is: 8,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.71 : 21,191.57 = 5,360.54 : x
  2. Step 2: Convert to fraction form
    14,127.71/21,191.57 = 5,360.54/x
  3. Step 3: Cross multiply
    14,127.71x = 21,191.57 × 5,360.54
  4. Step 4: Simplify right side
    14,127.71x = 113,598,258.65
  5. Step 5: Solve for x
    x = 113,598,258.65/14,127.71
  6. Step 6: Final answer
    x = 8,040.81

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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.