Home / 11,907.91-16,432.77-6,602.68

Finding the Fourth Proportional to 11,907.91, 16,432.77 and 6,602.68

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Solution

The fourth proportional to 11,907.91, 16,432.77 and 6,602.68 is: 9,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.91 : 16,432.77 = 6,602.68 : x
  2. Step 2: Convert to fraction form
    11,907.91/16,432.77 = 6,602.68/x
  3. Step 3: Cross multiply
    11,907.91x = 16,432.77 × 6,602.68
  4. Step 4: Simplify right side
    11,907.91x = 108,500,321.82
  5. Step 5: Solve for x
    x = 108,500,321.82/11,907.91
  6. Step 6: Final answer
    x = 9,111.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.