Home / 14,280.18-21,422.30-4,420.23

Finding the Fourth Proportional to 14,280.18, 21,422.30 and 4,420.23

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Solution

The fourth proportional to 14,280.18, 21,422.30 and 4,420.23 is: 6,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.18 : 21,422.30 = 4,420.23 : x
  2. Step 2: Convert to fraction form
    14,280.18/21,422.30 = 4,420.23/x
  3. Step 3: Cross multiply
    14,280.18x = 21,422.30 × 4,420.23
  4. Step 4: Simplify right side
    14,280.18x = 94,691,471.03
  5. Step 5: Solve for x
    x = 94,691,471.03/14,280.18
  6. Step 6: Final answer
    x = 6,630.97

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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.