Home / 11,943.29-17,915.12-4,548.16

Finding the Fourth Proportional to 11,943.29, 17,915.12 and 4,548.16

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Solution

The fourth proportional to 11,943.29, 17,915.12 and 4,548.16 is: 6,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.29 : 17,915.12 = 4,548.16 : x
  2. Step 2: Convert to fraction form
    11,943.29/17,915.12 = 4,548.16/x
  3. Step 3: Cross multiply
    11,943.29x = 17,915.12 × 4,548.16
  4. Step 4: Simplify right side
    11,943.29x = 81,480,848.89
  5. Step 5: Solve for x
    x = 81,480,848.89/11,943.29
  6. Step 6: Final answer
    x = 6,822.31

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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.