Home / 14,280.92-21,422.28-4,419.37

Finding the Fourth Proportional to 14,280.92, 21,422.28 and 4,419.37

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Solution

The fourth proportional to 14,280.92, 21,422.28 and 4,419.37 is: 6,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.92 : 21,422.28 = 4,419.37 : x
  2. Step 2: Convert to fraction form
    14,280.92/21,422.28 = 4,419.37/x
  3. Step 3: Cross multiply
    14,280.92x = 21,422.28 × 4,419.37
  4. Step 4: Simplify right side
    14,280.92x = 94,672,874.45
  5. Step 5: Solve for x
    x = 94,672,874.45/14,280.92
  6. Step 6: Final answer
    x = 6,629.33

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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.