Home / 13,390.92-20,088.81-4,626.72

Finding the Fourth Proportional to 13,390.92, 20,088.81 and 4,626.72

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Solution

The fourth proportional to 13,390.92, 20,088.81 and 4,626.72 is: 6,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.92 : 20,088.81 = 4,626.72 : x
  2. Step 2: Convert to fraction form
    13,390.92/20,088.81 = 4,626.72/x
  3. Step 3: Cross multiply
    13,390.92x = 20,088.81 × 4,626.72
  4. Step 4: Simplify right side
    13,390.92x = 92,945,299.00
  5. Step 5: Solve for x
    x = 92,945,299.00/13,390.92
  6. Step 6: Final answer
    x = 6,940.92

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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.