Home / 9,959.22-14,938.82-4,109.40

Finding the Fourth Proportional to 9,959.22, 14,938.82 and 4,109.40

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Solution

The fourth proportional to 9,959.22, 14,938.82 and 4,109.40 is: 6,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.22 : 14,938.82 = 4,109.40 : x
  2. Step 2: Convert to fraction form
    9,959.22/14,938.82 = 4,109.40/x
  3. Step 3: Cross multiply
    9,959.22x = 14,938.82 × 4,109.40
  4. Step 4: Simplify right side
    9,959.22x = 61,389,586.91
  5. Step 5: Solve for x
    x = 61,389,586.91/9,959.22
  6. Step 6: Final answer
    x = 6,164.10

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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.