Home / 9,929.43-13,702.08-5,453.79

Finding the Fourth Proportional to 9,929.43, 13,702.08 and 5,453.79

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Solution

The fourth proportional to 9,929.43, 13,702.08 and 5,453.79 is: 7,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.43 : 13,702.08 = 5,453.79 : x
  2. Step 2: Convert to fraction form
    9,929.43/13,702.08 = 5,453.79/x
  3. Step 3: Cross multiply
    9,929.43x = 13,702.08 × 5,453.79
  4. Step 4: Simplify right side
    9,929.43x = 74,728,266.88
  5. Step 5: Solve for x
    x = 74,728,266.88/9,929.43
  6. Step 6: Final answer
    x = 7,525.94

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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.