Home / 10,383.64-15,566.20-3,808.30

Finding the Fourth Proportional to 10,383.64, 15,566.20 and 3,808.30

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Solution

The fourth proportional to 10,383.64, 15,566.20 and 3,808.30 is: 5,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.64 : 15,566.20 = 3,808.30 : x
  2. Step 2: Convert to fraction form
    10,383.64/15,566.20 = 3,808.30/x
  3. Step 3: Cross multiply
    10,383.64x = 15,566.20 × 3,808.30
  4. Step 4: Simplify right side
    10,383.64x = 59,280,759.46
  5. Step 5: Solve for x
    x = 59,280,759.46/10,383.64
  6. Step 6: Final answer
    x = 5,709.05

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1.5x scale

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.