Home / 13,606.91-20,418.60-4,841.17

Finding the Fourth Proportional to 13,606.91, 20,418.60 and 4,841.17

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Solution

The fourth proportional to 13,606.91, 20,418.60 and 4,841.17 is: 7,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.91 : 20,418.60 = 4,841.17 : x
  2. Step 2: Convert to fraction form
    13,606.91/20,418.60 = 4,841.17/x
  3. Step 3: Cross multiply
    13,606.91x = 20,418.60 × 4,841.17
  4. Step 4: Simplify right side
    13,606.91x = 98,849,913.76
  5. Step 5: Solve for x
    x = 98,849,913.76/13,606.91
  6. Step 6: Final answer
    x = 7,264.68

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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.