Home / 14,422.63-21,636.32-4,427.12

Finding the Fourth Proportional to 14,422.63, 21,636.32 and 4,427.12

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Solution

The fourth proportional to 14,422.63, 21,636.32 and 4,427.12 is: 6,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.63 : 21,636.32 = 4,427.12 : x
  2. Step 2: Convert to fraction form
    14,422.63/21,636.32 = 4,427.12/x
  3. Step 3: Cross multiply
    14,422.63x = 21,636.32 × 4,427.12
  4. Step 4: Simplify right side
    14,422.63x = 95,786,616.95
  5. Step 5: Solve for x
    x = 95,786,616.95/14,422.63
  6. Step 6: Final answer
    x = 6,641.41

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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.