Home / 17,455.08-26,172.70-11,915.14

Finding the Fourth Proportional to 17,455.08, 26,172.70 and 11,915.14

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Solution

The fourth proportional to 17,455.08, 26,172.70 and 11,915.14 is: 17,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.08 : 26,172.70 = 11,915.14 : x
  2. Step 2: Convert to fraction form
    17,455.08/26,172.70 = 11,915.14/x
  3. Step 3: Cross multiply
    17,455.08x = 26,172.70 × 11,915.14
  4. Step 4: Simplify right side
    17,455.08x = 311,851,384.68
  5. Step 5: Solve for x
    x = 311,851,384.68/17,455.08
  6. Step 6: Final answer
    x = 17,865.94

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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.