Home / 10,839.72-16,254.03-4,991.25

Finding the Fourth Proportional to 10,839.72, 16,254.03 and 4,991.25

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Solution

The fourth proportional to 10,839.72, 16,254.03 and 4,991.25 is: 7,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.72 : 16,254.03 = 4,991.25 : x
  2. Step 2: Convert to fraction form
    10,839.72/16,254.03 = 4,991.25/x
  3. Step 3: Cross multiply
    10,839.72x = 16,254.03 × 4,991.25
  4. Step 4: Simplify right side
    10,839.72x = 81,127,927.24
  5. Step 5: Solve for x
    x = 81,127,927.24/10,839.72
  6. Step 6: Final answer
    x = 7,484.32

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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.