Home / 12,451.29-18,664.68-6,892.86

Finding the Fourth Proportional to 12,451.29, 18,664.68 and 6,892.86

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Solution

The fourth proportional to 12,451.29, 18,664.68 and 6,892.86 is: 10,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.29 : 18,664.68 = 6,892.86 : x
  2. Step 2: Convert to fraction form
    12,451.29/18,664.68 = 6,892.86/x
  3. Step 3: Cross multiply
    12,451.29x = 18,664.68 × 6,892.86
  4. Step 4: Simplify right side
    12,451.29x = 128,653,026.18
  5. Step 5: Solve for x
    x = 128,653,026.18/12,451.29
  6. Step 6: Final answer
    x = 10,332.51

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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.