Home / 13,948.46-20,921.63-4,588.79

Finding the Fourth Proportional to 13,948.46, 20,921.63 and 4,588.79

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Solution

The fourth proportional to 13,948.46, 20,921.63 and 4,588.79 is: 6,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.46 : 20,921.63 = 4,588.79 : x
  2. Step 2: Convert to fraction form
    13,948.46/20,921.63 = 4,588.79/x
  3. Step 3: Cross multiply
    13,948.46x = 20,921.63 × 4,588.79
  4. Step 4: Simplify right side
    13,948.46x = 96,004,838.98
  5. Step 5: Solve for x
    x = 96,004,838.98/13,948.46
  6. Step 6: Final answer
    x = 6,882.83

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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.