Home / 14,399.18-19,871.56-8,026.20

Finding the Fourth Proportional to 14,399.18, 19,871.56 and 8,026.20

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Solution

The fourth proportional to 14,399.18, 19,871.56 and 8,026.20 is: 11,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.18 : 19,871.56 = 8,026.20 : x
  2. Step 2: Convert to fraction form
    14,399.18/19,871.56 = 8,026.20/x
  3. Step 3: Cross multiply
    14,399.18x = 19,871.56 × 8,026.20
  4. Step 4: Simplify right side
    14,399.18x = 159,493,114.87
  5. Step 5: Solve for x
    x = 159,493,114.87/14,399.18
  6. Step 6: Final answer
    x = 11,076.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.