Home / 13,876.02-20,824.29-10,187.82

Finding the Fourth Proportional to 13,876.02, 20,824.29 and 10,187.82

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Solution

The fourth proportional to 13,876.02, 20,824.29 and 10,187.82 is: 15,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.02 : 20,824.29 = 10,187.82 : x
  2. Step 2: Convert to fraction form
    13,876.02/20,824.29 = 10,187.82/x
  3. Step 3: Cross multiply
    13,876.02x = 20,824.29 × 10,187.82
  4. Step 4: Simplify right side
    13,876.02x = 212,154,118.15
  5. Step 5: Solve for x
    x = 212,154,118.15/13,876.02
  6. Step 6: Final answer
    x = 15,289.26

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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.