Home / 13,458.11-20,184.78-4,095.86

Finding the Fourth Proportional to 13,458.11, 20,184.78 and 4,095.86

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Solution

The fourth proportional to 13,458.11, 20,184.78 and 4,095.86 is: 6,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.11 : 20,184.78 = 4,095.86 : x
  2. Step 2: Convert to fraction form
    13,458.11/20,184.78 = 4,095.86/x
  3. Step 3: Cross multiply
    13,458.11x = 20,184.78 × 4,095.86
  4. Step 4: Simplify right side
    13,458.11x = 82,674,033.01
  5. Step 5: Solve for x
    x = 82,674,033.01/13,458.11
  6. Step 6: Final answer
    x = 6,143.06

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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.