Home / 10,096.79-15,146.19-4,172.45

Finding the Fourth Proportional to 10,096.79, 15,146.19 and 4,172.45

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Solution

The fourth proportional to 10,096.79, 15,146.19 and 4,172.45 is: 6,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,096.79 : 15,146.19 = 4,172.45 : x
  2. Step 2: Convert to fraction form
    10,096.79/15,146.19 = 4,172.45/x
  3. Step 3: Cross multiply
    10,096.79x = 15,146.19 × 4,172.45
  4. Step 4: Simplify right side
    10,096.79x = 63,196,644.73
  5. Step 5: Solve for x
    x = 63,196,644.73/10,096.79
  6. Step 6: Final answer
    x = 6,259.09

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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.