Home / 10,172.42-15,258.36-3,152.15

Finding the Fourth Proportional to 10,172.42, 15,258.36 and 3,152.15

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Solution

The fourth proportional to 10,172.42, 15,258.36 and 3,152.15 is: 4,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.42 : 15,258.36 = 3,152.15 : x
  2. Step 2: Convert to fraction form
    10,172.42/15,258.36 = 3,152.15/x
  3. Step 3: Cross multiply
    10,172.42x = 15,258.36 × 3,152.15
  4. Step 4: Simplify right side
    10,172.42x = 48,096,614.49
  5. Step 5: Solve for x
    x = 48,096,614.49/10,172.42
  6. Step 6: Final answer
    x = 4,728.14

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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.