Home / 13,424.92-20,137.37-4,659.91

Finding the Fourth Proportional to 13,424.92, 20,137.37 and 4,659.91

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Solution

The fourth proportional to 13,424.92, 20,137.37 and 4,659.91 is: 6,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.92 : 20,137.37 = 4,659.91 : x
  2. Step 2: Convert to fraction form
    13,424.92/20,137.37 = 4,659.91/x
  3. Step 3: Cross multiply
    13,424.92x = 20,137.37 × 4,659.91
  4. Step 4: Simplify right side
    13,424.92x = 93,838,258.19
  5. Step 5: Solve for x
    x = 93,838,258.19/13,424.92
  6. Step 6: Final answer
    x = 6,989.86

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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.