Home / 14,086.75-19,435.01-8,118.31

Finding the Fourth Proportional to 14,086.75, 19,435.01 and 8,118.31

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Solution

The fourth proportional to 14,086.75, 19,435.01 and 8,118.31 is: 11,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.75 : 19,435.01 = 8,118.31 : x
  2. Step 2: Convert to fraction form
    14,086.75/19,435.01 = 8,118.31/x
  3. Step 3: Cross multiply
    14,086.75x = 19,435.01 × 8,118.31
  4. Step 4: Simplify right side
    14,086.75x = 157,779,395.44
  5. Step 5: Solve for x
    x = 157,779,395.44/14,086.75
  6. Step 6: Final answer
    x = 11,200.55

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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.