Home / 13,712.77-20,564.90-4,946.55

Finding the Fourth Proportional to 13,712.77, 20,564.90 and 4,946.55

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Solution

The fourth proportional to 13,712.77, 20,564.90 and 4,946.55 is: 7,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.77 : 20,564.90 = 4,946.55 : x
  2. Step 2: Convert to fraction form
    13,712.77/20,564.90 = 4,946.55/x
  3. Step 3: Cross multiply
    13,712.77x = 20,564.90 × 4,946.55
  4. Step 4: Simplify right side
    13,712.77x = 101,725,306.10
  5. Step 5: Solve for x
    x = 101,725,306.10/13,712.77
  6. Step 6: Final answer
    x = 7,418.29

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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.