Home / 14,076.24-21,117.48-5,311.24

Finding the Fourth Proportional to 14,076.24, 21,117.48 and 5,311.24

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Solution

The fourth proportional to 14,076.24, 21,117.48 and 5,311.24 is: 7,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.24 : 21,117.48 = 5,311.24 : x
  2. Step 2: Convert to fraction form
    14,076.24/21,117.48 = 5,311.24/x
  3. Step 3: Cross multiply
    14,076.24x = 21,117.48 × 5,311.24
  4. Step 4: Simplify right side
    14,076.24x = 112,160,004.48
  5. Step 5: Solve for x
    x = 112,160,004.48/14,076.24
  6. Step 6: Final answer
    x = 7,968.04

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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.