Home / 9,921.47-14,874.40-6,791.99

Finding the Fourth Proportional to 9,921.47, 14,874.40 and 6,791.99

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Solution

The fourth proportional to 9,921.47, 14,874.40 and 6,791.99 is: 10,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.47 : 14,874.40 = 6,791.99 : x
  2. Step 2: Convert to fraction form
    9,921.47/14,874.40 = 6,791.99/x
  3. Step 3: Cross multiply
    9,921.47x = 14,874.40 × 6,791.99
  4. Step 4: Simplify right side
    9,921.47x = 101,026,776.06
  5. Step 5: Solve for x
    x = 101,026,776.06/9,921.47
  6. Step 6: Final answer
    x = 10,182.64

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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.