Home / 14,086.20-21,124.02-4,222.10

Finding the Fourth Proportional to 14,086.20, 21,124.02 and 4,222.10

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Solution

The fourth proportional to 14,086.20, 21,124.02 and 4,222.10 is: 6,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.20 : 21,124.02 = 4,222.10 : x
  2. Step 2: Convert to fraction form
    14,086.20/21,124.02 = 4,222.10/x
  3. Step 3: Cross multiply
    14,086.20x = 21,124.02 × 4,222.10
  4. Step 4: Simplify right side
    14,086.20x = 89,187,724.84
  5. Step 5: Solve for x
    x = 89,187,724.84/14,086.20
  6. Step 6: Final answer
    x = 6,331.57

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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.