Home / 14,087.57-21,134.87-4,227.03

Finding the Fourth Proportional to 14,087.57, 21,134.87 and 4,227.03

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Solution

The fourth proportional to 14,087.57, 21,134.87 and 4,227.03 is: 6,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.57 : 21,134.87 = 4,227.03 : x
  2. Step 2: Convert to fraction form
    14,087.57/21,134.87 = 4,227.03/x
  3. Step 3: Cross multiply
    14,087.57x = 21,134.87 × 4,227.03
  4. Step 4: Simplify right side
    14,087.57x = 89,337,708.40
  5. Step 5: Solve for x
    x = 89,337,708.40/14,087.57
  6. Step 6: Final answer
    x = 6,341.60

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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.