Home / 14,127.66-21,191.58-4,266.90

Finding the Fourth Proportional to 14,127.66, 21,191.58 and 4,266.90

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Solution

The fourth proportional to 14,127.66, 21,191.58 and 4,266.90 is: 6,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.66 : 21,191.58 = 4,266.90 : x
  2. Step 2: Convert to fraction form
    14,127.66/21,191.58 = 4,266.90/x
  3. Step 3: Cross multiply
    14,127.66x = 21,191.58 × 4,266.90
  4. Step 4: Simplify right side
    14,127.66x = 90,422,352.70
  5. Step 5: Solve for x
    x = 90,422,352.70/14,127.66
  6. Step 6: Final answer
    x = 6,400.38

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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.