Home / 13,756.66-20,663.43-11,127.10

Finding the Fourth Proportional to 13,756.66, 20,663.43 and 11,127.10

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Solution

The fourth proportional to 13,756.66, 20,663.43 and 11,127.10 is: 16,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.66 : 20,663.43 = 11,127.10 : x
  2. Step 2: Convert to fraction form
    13,756.66/20,663.43 = 11,127.10/x
  3. Step 3: Cross multiply
    13,756.66x = 20,663.43 × 11,127.10
  4. Step 4: Simplify right side
    13,756.66x = 229,924,051.95
  5. Step 5: Solve for x
    x = 229,924,051.95/13,756.66
  6. Step 6: Final answer
    x = 16,713.65

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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.