Home / 11,938.32-17,892.75-4,913.95

Finding the Fourth Proportional to 11,938.32, 17,892.75 and 4,913.95

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Solution

The fourth proportional to 11,938.32, 17,892.75 and 4,913.95 is: 7,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.32 : 17,892.75 = 4,913.95 : x
  2. Step 2: Convert to fraction form
    11,938.32/17,892.75 = 4,913.95/x
  3. Step 3: Cross multiply
    11,938.32x = 17,892.75 × 4,913.95
  4. Step 4: Simplify right side
    11,938.32x = 87,924,058.47
  5. Step 5: Solve for x
    x = 87,924,058.47/11,938.32
  6. Step 6: Final answer
    x = 7,364.86

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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.