Home / 13,411.83-20,095.01-8,206.83

Finding the Fourth Proportional to 13,411.83, 20,095.01 and 8,206.83

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Solution

The fourth proportional to 13,411.83, 20,095.01 and 8,206.83 is: 12,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.83 : 20,095.01 = 8,206.83 : x
  2. Step 2: Convert to fraction form
    13,411.83/20,095.01 = 8,206.83/x
  3. Step 3: Cross multiply
    13,411.83x = 20,095.01 × 8,206.83
  4. Step 4: Simplify right side
    13,411.83x = 164,916,289.88
  5. Step 5: Solve for x
    x = 164,916,289.88/13,411.83
  6. Step 6: Final answer
    x = 12,296.33

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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.