Home / 11,892.86-16,411.68-6,587.76

Finding the Fourth Proportional to 11,892.86, 16,411.68 and 6,587.76

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Solution

The fourth proportional to 11,892.86, 16,411.68 and 6,587.76 is: 9,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.86 : 16,411.68 = 6,587.76 : x
  2. Step 2: Convert to fraction form
    11,892.86/16,411.68 = 6,587.76/x
  3. Step 3: Cross multiply
    11,892.86x = 16,411.68 × 6,587.76
  4. Step 4: Simplify right side
    11,892.86x = 108,116,209.04
  5. Step 5: Solve for x
    x = 108,116,209.04/11,892.86
  6. Step 6: Final answer
    x = 9,090.85

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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.