Home / 14,209.28-21,309.30-6,711.68

Finding the Fourth Proportional to 14,209.28, 21,309.30 and 6,711.68

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Solution

The fourth proportional to 14,209.28, 21,309.30 and 6,711.68 is: 10,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.28 : 21,309.30 = 6,711.68 : x
  2. Step 2: Convert to fraction form
    14,209.28/21,309.30 = 6,711.68/x
  3. Step 3: Cross multiply
    14,209.28x = 21,309.30 × 6,711.68
  4. Step 4: Simplify right side
    14,209.28x = 143,021,096.08
  5. Step 5: Solve for x
    x = 143,021,096.08/14,209.28
  6. Step 6: Final answer
    x = 10,065.33

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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.