Home / 13,869.11-20,804.81-4,508.92

Finding the Fourth Proportional to 13,869.11, 20,804.81 and 4,508.92

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Solution

The fourth proportional to 13,869.11, 20,804.81 and 4,508.92 is: 6,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.11 : 20,804.81 = 4,508.92 : x
  2. Step 2: Convert to fraction form
    13,869.11/20,804.81 = 4,508.92/x
  3. Step 3: Cross multiply
    13,869.11x = 20,804.81 × 4,508.92
  4. Step 4: Simplify right side
    13,869.11x = 93,807,142.04
  5. Step 5: Solve for x
    x = 93,807,142.04/13,869.11
  6. Step 6: Final answer
    x = 6,763.75

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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.