Home / 10,259.26-15,390.36-3,236.90

Finding the Fourth Proportional to 10,259.26, 15,390.36 and 3,236.90

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Solution

The fourth proportional to 10,259.26, 15,390.36 and 3,236.90 is: 4,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.26 : 15,390.36 = 3,236.90 : x
  2. Step 2: Convert to fraction form
    10,259.26/15,390.36 = 3,236.90/x
  3. Step 3: Cross multiply
    10,259.26x = 15,390.36 × 3,236.90
  4. Step 4: Simplify right side
    10,259.26x = 49,817,056.28
  5. Step 5: Solve for x
    x = 49,817,056.28/10,259.26
  6. Step 6: Final answer
    x = 4,855.81

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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.