Home / 14,135.76-21,193.56-5,363.28

Finding the Fourth Proportional to 14,135.76, 21,193.56 and 5,363.28

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Solution

The fourth proportional to 14,135.76, 21,193.56 and 5,363.28 is: 8,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.76 : 21,193.56 = 5,363.28 : x
  2. Step 2: Convert to fraction form
    14,135.76/21,193.56 = 5,363.28/x
  3. Step 3: Cross multiply
    14,135.76x = 21,193.56 × 5,363.28
  4. Step 4: Simplify right side
    14,135.76x = 113,666,996.48
  5. Step 5: Solve for x
    x = 113,666,996.48/14,135.76
  6. Step 6: Final answer
    x = 8,041.10

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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.