Home / 13,904.66-20,856.81-3,374.77

Finding the Fourth Proportional to 13,904.66, 20,856.81 and 3,374.77

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Solution

The fourth proportional to 13,904.66, 20,856.81 and 3,374.77 is: 5,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.66 : 20,856.81 = 3,374.77 : x
  2. Step 2: Convert to fraction form
    13,904.66/20,856.81 = 3,374.77/x
  3. Step 3: Cross multiply
    13,904.66x = 20,856.81 × 3,374.77
  4. Step 4: Simplify right side
    13,904.66x = 70,386,897.20
  5. Step 5: Solve for x
    x = 70,386,897.20/13,904.66
  6. Step 6: Final answer
    x = 5,062.11

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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.