Home / 14,087.30-21,130.94-4,226.57

Finding the Fourth Proportional to 14,087.30, 21,130.94 and 4,226.57

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Solution

The fourth proportional to 14,087.30, 21,130.94 and 4,226.57 is: 6,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.30 : 21,130.94 = 4,226.57 : x
  2. Step 2: Convert to fraction form
    14,087.30/21,130.94 = 4,226.57/x
  3. Step 3: Cross multiply
    14,087.30x = 21,130.94 × 4,226.57
  4. Step 4: Simplify right side
    14,087.30x = 89,311,270.29
  5. Step 5: Solve for x
    x = 89,311,270.29/14,087.30
  6. Step 6: Final answer
    x = 6,339.85

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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.