Home / 14,191.76-21,298.98-6,401.18

Finding the Fourth Proportional to 14,191.76, 21,298.98 and 6,401.18

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Solution

The fourth proportional to 14,191.76, 21,298.98 and 6,401.18 is: 9,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.76 : 21,298.98 = 6,401.18 : x
  2. Step 2: Convert to fraction form
    14,191.76/21,298.98 = 6,401.18/x
  3. Step 3: Cross multiply
    14,191.76x = 21,298.98 × 6,401.18
  4. Step 4: Simplify right side
    14,191.76x = 136,338,604.80
  5. Step 5: Solve for x
    x = 136,338,604.80/14,191.76
  6. Step 6: Final answer
    x = 9,606.88

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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.