Home / 10,005.22-13,808.03-5,529.85

Finding the Fourth Proportional to 10,005.22, 13,808.03 and 5,529.85

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Solution

The fourth proportional to 10,005.22, 13,808.03 and 5,529.85 is: 7,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.22 : 13,808.03 = 5,529.85 : x
  2. Step 2: Convert to fraction form
    10,005.22/13,808.03 = 5,529.85/x
  3. Step 3: Cross multiply
    10,005.22x = 13,808.03 × 5,529.85
  4. Step 4: Simplify right side
    10,005.22x = 76,356,334.70
  5. Step 5: Solve for x
    x = 76,356,334.70/10,005.22
  6. Step 6: Final answer
    x = 7,631.65

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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.