Home / 11,930.64-17,895.95-5,005.14

Finding the Fourth Proportional to 11,930.64, 17,895.95 and 5,005.14

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Solution

The fourth proportional to 11,930.64, 17,895.95 and 5,005.14 is: 7,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.64 : 17,895.95 = 5,005.14 : x
  2. Step 2: Convert to fraction form
    11,930.64/17,895.95 = 5,005.14/x
  3. Step 3: Cross multiply
    11,930.64x = 17,895.95 × 5,005.14
  4. Step 4: Simplify right side
    11,930.64x = 89,571,710.16
  5. Step 5: Solve for x
    x = 89,571,710.16/11,930.64
  6. Step 6: Final answer
    x = 7,507.70

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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.