Home / 10,606.05-15,905.16-3,208.32

Finding the Fourth Proportional to 10,606.05, 15,905.16 and 3,208.32

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Solution

The fourth proportional to 10,606.05, 15,905.16 and 3,208.32 is: 4,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.05 : 15,905.16 = 3,208.32 : x
  2. Step 2: Convert to fraction form
    10,606.05/15,905.16 = 3,208.32/x
  3. Step 3: Cross multiply
    10,606.05x = 15,905.16 × 3,208.32
  4. Step 4: Simplify right side
    10,606.05x = 51,028,842.93
  5. Step 5: Solve for x
    x = 51,028,842.93/10,606.05
  6. Step 6: Final answer
    x = 4,811.30

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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.