Home / 11,930.77-16,462.90-6,624.55

Finding the Fourth Proportional to 11,930.77, 16,462.90 and 6,624.55

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Solution

The fourth proportional to 11,930.77, 16,462.90 and 6,624.55 is: 9,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.77 : 16,462.90 = 6,624.55 : x
  2. Step 2: Convert to fraction form
    11,930.77/16,462.90 = 6,624.55/x
  3. Step 3: Cross multiply
    11,930.77x = 16,462.90 × 6,624.55
  4. Step 4: Simplify right side
    11,930.77x = 109,059,304.20
  5. Step 5: Solve for x
    x = 109,059,304.20/11,930.77
  6. Step 6: Final answer
    x = 9,141.01

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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.