Home / 14,127.85-21,191.94-4,267.56

Finding the Fourth Proportional to 14,127.85, 21,191.94 and 4,267.56

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Solution

The fourth proportional to 14,127.85, 21,191.94 and 4,267.56 is: 6,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.85 : 21,191.94 = 4,267.56 : x
  2. Step 2: Convert to fraction form
    14,127.85/21,191.94 = 4,267.56/x
  3. Step 3: Cross multiply
    14,127.85x = 21,191.94 × 4,267.56
  4. Step 4: Simplify right side
    14,127.85x = 90,437,875.47
  5. Step 5: Solve for x
    x = 90,437,875.47/14,127.85
  6. Step 6: Final answer
    x = 6,401.39

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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.