Home / 14,614.76-21,921.93-13,680.83

Finding the Fourth Proportional to 14,614.76, 21,921.93 and 13,680.83

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Solution

The fourth proportional to 14,614.76, 21,921.93 and 13,680.83 is: 20,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.76 : 21,921.93 = 13,680.83 : x
  2. Step 2: Convert to fraction form
    14,614.76/21,921.93 = 13,680.83/x
  3. Step 3: Cross multiply
    14,614.76x = 21,921.93 × 13,680.83
  4. Step 4: Simplify right side
    14,614.76x = 299,910,087.99
  5. Step 5: Solve for x
    x = 299,910,087.99/14,614.76
  6. Step 6: Final answer
    x = 20,521.05

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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.