Home / 13,607.01-20,410.79-3,746.61

Finding the Fourth Proportional to 13,607.01, 20,410.79 and 3,746.61

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Solution

The fourth proportional to 13,607.01, 20,410.79 and 3,746.61 is: 5,619.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.01 : 20,410.79 = 3,746.61 : x
  2. Step 2: Convert to fraction form
    13,607.01/20,410.79 = 3,746.61/x
  3. Step 3: Cross multiply
    13,607.01x = 20,410.79 × 3,746.61
  4. Step 4: Simplify right side
    13,607.01x = 76,471,251.19
  5. Step 5: Solve for x
    x = 76,471,251.19/13,607.01
  6. Step 6: Final answer
    x = 5,619.99

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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.