Home / 14,137.50-21,206.25-4,276.56

Finding the Fourth Proportional to 14,137.50, 21,206.25 and 4,276.56

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Solution

The fourth proportional to 14,137.50, 21,206.25 and 4,276.56 is: 6,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.50 : 21,206.25 = 4,276.56 : x
  2. Step 2: Convert to fraction form
    14,137.50/21,206.25 = 4,276.56/x
  3. Step 3: Cross multiply
    14,137.50x = 21,206.25 × 4,276.56
  4. Step 4: Simplify right side
    14,137.50x = 90,689,800.50
  5. Step 5: Solve for x
    x = 90,689,800.50/14,137.50
  6. Step 6: Final answer
    x = 6,414.84

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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.