Home / 10,005.93-13,808.21-5,529.60

Finding the Fourth Proportional to 10,005.93, 13,808.21 and 5,529.60

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Solution

The fourth proportional to 10,005.93, 13,808.21 and 5,529.60 is: 7,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.93 : 13,808.21 = 5,529.60 : x
  2. Step 2: Convert to fraction form
    10,005.93/13,808.21 = 5,529.60/x
  3. Step 3: Cross multiply
    10,005.93x = 13,808.21 × 5,529.60
  4. Step 4: Simplify right side
    10,005.93x = 76,353,850.37
  5. Step 5: Solve for x
    x = 76,353,850.37/10,005.93
  6. Step 6: Final answer
    x = 7,630.86

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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.