Home / 14,079.28-19,431.44-8,110.36

Finding the Fourth Proportional to 14,079.28, 19,431.44 and 8,110.36

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Solution

The fourth proportional to 14,079.28, 19,431.44 and 8,110.36 is: 11,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.28 : 19,431.44 = 8,110.36 : x
  2. Step 2: Convert to fraction form
    14,079.28/19,431.44 = 8,110.36/x
  3. Step 3: Cross multiply
    14,079.28x = 19,431.44 × 8,110.36
  4. Step 4: Simplify right side
    14,079.28x = 157,595,973.72
  5. Step 5: Solve for x
    x = 157,595,973.72/14,079.28
  6. Step 6: Final answer
    x = 11,193.47

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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.