Home / 13,889.01-20,833.65-3,500.76

Finding the Fourth Proportional to 13,889.01, 20,833.65 and 3,500.76

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Solution

The fourth proportional to 13,889.01, 20,833.65 and 3,500.76 is: 5,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.01 : 20,833.65 = 3,500.76 : x
  2. Step 2: Convert to fraction form
    13,889.01/20,833.65 = 3,500.76/x
  3. Step 3: Cross multiply
    13,889.01x = 20,833.65 × 3,500.76
  4. Step 4: Simplify right side
    13,889.01x = 72,933,608.57
  5. Step 5: Solve for x
    x = 72,933,608.57/13,889.01
  6. Step 6: Final answer
    x = 5,251.17

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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.