Home / 14,550.45-20,089.13-11,187.06

Finding the Fourth Proportional to 14,550.45, 20,089.13 and 11,187.06

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Solution

The fourth proportional to 14,550.45, 20,089.13 and 11,187.06 is: 15,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.45 : 20,089.13 = 11,187.06 : x
  2. Step 2: Convert to fraction form
    14,550.45/20,089.13 = 11,187.06/x
  3. Step 3: Cross multiply
    14,550.45x = 20,089.13 × 11,187.06
  4. Step 4: Simplify right side
    14,550.45x = 224,738,246.72
  5. Step 5: Solve for x
    x = 224,738,246.72/14,550.45
  6. Step 6: Final answer
    x = 15,445.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.