Home / 13,350.91-20,030.74-5,460.06

Finding the Fourth Proportional to 13,350.91, 20,030.74 and 5,460.06

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Solution

The fourth proportional to 13,350.91, 20,030.74 and 5,460.06 is: 8,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.91 : 20,030.74 = 5,460.06 : x
  2. Step 2: Convert to fraction form
    13,350.91/20,030.74 = 5,460.06/x
  3. Step 3: Cross multiply
    13,350.91x = 20,030.74 × 5,460.06
  4. Step 4: Simplify right side
    13,350.91x = 109,369,005.82
  5. Step 5: Solve for x
    x = 109,369,005.82/13,350.91
  6. Step 6: Final answer
    x = 8,191.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.