Home / 13,904.48-20,856.55-3,374.59

Finding the Fourth Proportional to 13,904.48, 20,856.55 and 3,374.59

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Solution

The fourth proportional to 13,904.48, 20,856.55 and 3,374.59 is: 5,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.48 : 20,856.55 = 3,374.59 : x
  2. Step 2: Convert to fraction form
    13,904.48/20,856.55 = 3,374.59/x
  3. Step 3: Cross multiply
    13,904.48x = 20,856.55 × 3,374.59
  4. Step 4: Simplify right side
    13,904.48x = 70,382,288.19
  5. Step 5: Solve for x
    x = 70,382,288.19/13,904.48
  6. Step 6: Final answer
    x = 5,061.84

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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.