Home / 14,127.35-21,191.84-4,267.63

Finding the Fourth Proportional to 14,127.35, 21,191.84 and 4,267.63

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Solution

The fourth proportional to 14,127.35, 21,191.84 and 4,267.63 is: 6,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.35 : 21,191.84 = 4,267.63 : x
  2. Step 2: Convert to fraction form
    14,127.35/21,191.84 = 4,267.63/x
  3. Step 3: Cross multiply
    14,127.35x = 21,191.84 × 4,267.63
  4. Step 4: Simplify right side
    14,127.35x = 90,438,932.14
  5. Step 5: Solve for x
    x = 90,438,932.14/14,127.35
  6. Step 6: Final answer
    x = 6,401.69

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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.