Home / 14,272.21-21,404.85-5,947.71

Finding the Fourth Proportional to 14,272.21, 21,404.85 and 5,947.71

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Solution

The fourth proportional to 14,272.21, 21,404.85 and 5,947.71 is: 8,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.21 : 21,404.85 = 5,947.71 : x
  2. Step 2: Convert to fraction form
    14,272.21/21,404.85 = 5,947.71/x
  3. Step 3: Cross multiply
    14,272.21x = 21,404.85 × 5,947.71
  4. Step 4: Simplify right side
    14,272.21x = 127,309,840.39
  5. Step 5: Solve for x
    x = 127,309,840.39/14,272.21
  6. Step 6: Final answer
    x = 8,920.12

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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.