Home / 10,172.75-15,259.40-3,247.25

Finding the Fourth Proportional to 10,172.75, 15,259.40 and 3,247.25

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Solution

The fourth proportional to 10,172.75, 15,259.40 and 3,247.25 is: 4,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.75 : 15,259.40 = 3,247.25 : x
  2. Step 2: Convert to fraction form
    10,172.75/15,259.40 = 3,247.25/x
  3. Step 3: Cross multiply
    10,172.75x = 15,259.40 × 3,247.25
  4. Step 4: Simplify right side
    10,172.75x = 49,551,070.41
  5. Step 5: Solve for x
    x = 49,551,070.41/10,172.75
  6. Step 6: Final answer
    x = 4,870.96

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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.