Home / 11,206.22-16,787.05-10,287.68

Finding the Fourth Proportional to 11,206.22, 16,787.05 and 10,287.68

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Solution

The fourth proportional to 11,206.22, 16,787.05 and 10,287.68 is: 15,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.22 : 16,787.05 = 10,287.68 : x
  2. Step 2: Convert to fraction form
    11,206.22/16,787.05 = 10,287.68/x
  3. Step 3: Cross multiply
    11,206.22x = 16,787.05 × 10,287.68
  4. Step 4: Simplify right side
    11,206.22x = 172,699,798.54
  5. Step 5: Solve for x
    x = 172,699,798.54/11,206.22
  6. Step 6: Final answer
    x = 15,411.07

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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.