Home / 10,353.32-15,529.62-3,427.76

Finding the Fourth Proportional to 10,353.32, 15,529.62 and 3,427.76

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Solution

The fourth proportional to 10,353.32, 15,529.62 and 3,427.76 is: 5,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.32 : 15,529.62 = 3,427.76 : x
  2. Step 2: Convert to fraction form
    10,353.32/15,529.62 = 3,427.76/x
  3. Step 3: Cross multiply
    10,353.32x = 15,529.62 × 3,427.76
  4. Step 4: Simplify right side
    10,353.32x = 53,231,810.25
  5. Step 5: Solve for x
    x = 53,231,810.25/10,353.32
  6. Step 6: Final answer
    x = 5,141.52

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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.