Home / 13,484.18-20,235.38-4,719.17

Finding the Fourth Proportional to 13,484.18, 20,235.38 and 4,719.17

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Solution

The fourth proportional to 13,484.18, 20,235.38 and 4,719.17 is: 7,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.18 : 20,235.38 = 4,719.17 : x
  2. Step 2: Convert to fraction form
    13,484.18/20,235.38 = 4,719.17/x
  3. Step 3: Cross multiply
    13,484.18x = 20,235.38 × 4,719.17
  4. Step 4: Simplify right side
    13,484.18x = 95,494,198.23
  5. Step 5: Solve for x
    x = 95,494,198.23/13,484.18
  6. Step 6: Final answer
    x = 7,081.94

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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.