Home / 10,017.45-13,822.85-5,540.58

Finding the Fourth Proportional to 10,017.45, 13,822.85 and 5,540.58

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Solution

The fourth proportional to 10,017.45, 13,822.85 and 5,540.58 is: 7,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.45 : 13,822.85 = 5,540.58 : x
  2. Step 2: Convert to fraction form
    10,017.45/13,822.85 = 5,540.58/x
  3. Step 3: Cross multiply
    10,017.45x = 13,822.85 × 5,540.58
  4. Step 4: Simplify right side
    10,017.45x = 76,586,620.10
  5. Step 5: Solve for x
    x = 76,586,620.10/10,017.45
  6. Step 6: Final answer
    x = 7,645.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.