Home / 14,178.89-21,262.17-4,315.88

Finding the Fourth Proportional to 14,178.89, 21,262.17 and 4,315.88

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Solution

The fourth proportional to 14,178.89, 21,262.17 and 4,315.88 is: 6,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.89 : 21,262.17 = 4,315.88 : x
  2. Step 2: Convert to fraction form
    14,178.89/21,262.17 = 4,315.88/x
  3. Step 3: Cross multiply
    14,178.89x = 21,262.17 × 4,315.88
  4. Step 4: Simplify right side
    14,178.89x = 91,764,974.26
  5. Step 5: Solve for x
    x = 91,764,974.26/14,178.89
  6. Step 6: Final answer
    x = 6,471.94

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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.