Home / 13,411.38-20,111.64-4,048.50

Finding the Fourth Proportional to 13,411.38, 20,111.64 and 4,048.50

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Solution

The fourth proportional to 13,411.38, 20,111.64 and 4,048.50 is: 6,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.38 : 20,111.64 = 4,048.50 : x
  2. Step 2: Convert to fraction form
    13,411.38/20,111.64 = 4,048.50/x
  3. Step 3: Cross multiply
    13,411.38x = 20,111.64 × 4,048.50
  4. Step 4: Simplify right side
    13,411.38x = 81,421,974.54
  5. Step 5: Solve for x
    x = 81,421,974.54/13,411.38
  6. Step 6: Final answer
    x = 6,071.11

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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.