Home / 11,983.01-16,536.56-6,678.86

Finding the Fourth Proportional to 11,983.01, 16,536.56 and 6,678.86

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Solution

The fourth proportional to 11,983.01, 16,536.56 and 6,678.86 is: 9,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.01 : 16,536.56 = 6,678.86 : x
  2. Step 2: Convert to fraction form
    11,983.01/16,536.56 = 6,678.86/x
  3. Step 3: Cross multiply
    11,983.01x = 16,536.56 × 6,678.86
  4. Step 4: Simplify right side
    11,983.01x = 110,445,253.04
  5. Step 5: Solve for x
    x = 110,445,253.04/11,983.01
  6. Step 6: Final answer
    x = 9,216.82

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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.