Home / 10,172.25-15,258.47-3,599.55

Finding the Fourth Proportional to 10,172.25, 15,258.47 and 3,599.55

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Solution

The fourth proportional to 10,172.25, 15,258.47 and 3,599.55 is: 5,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.25 : 15,258.47 = 3,599.55 : x
  2. Step 2: Convert to fraction form
    10,172.25/15,258.47 = 3,599.55/x
  3. Step 3: Cross multiply
    10,172.25x = 15,258.47 × 3,599.55
  4. Step 4: Simplify right side
    10,172.25x = 54,923,607.69
  5. Step 5: Solve for x
    x = 54,923,607.69/10,172.25
  6. Step 6: Final answer
    x = 5,399.36

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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.