Home / 14,115.96-21,177.90-7,087.50

Finding the Fourth Proportional to 14,115.96, 21,177.90 and 7,087.50

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Solution

The fourth proportional to 14,115.96, 21,177.90 and 7,087.50 is: 10,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.96 : 21,177.90 = 7,087.50 : x
  2. Step 2: Convert to fraction form
    14,115.96/21,177.90 = 7,087.50/x
  3. Step 3: Cross multiply
    14,115.96x = 21,177.90 × 7,087.50
  4. Step 4: Simplify right side
    14,115.96x = 150,098,366.25
  5. Step 5: Solve for x
    x = 150,098,366.25/14,115.96
  6. Step 6: Final answer
    x = 10,633.24

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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.