Home / 17,915.78-26,873.45-10,897.72

Finding the Fourth Proportional to 17,915.78, 26,873.45 and 10,897.72

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Solution

The fourth proportional to 17,915.78, 26,873.45 and 10,897.72 is: 16,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.78 : 26,873.45 = 10,897.72 : x
  2. Step 2: Convert to fraction form
    17,915.78/26,873.45 = 10,897.72/x
  3. Step 3: Cross multiply
    17,915.78x = 26,873.45 × 10,897.72
  4. Step 4: Simplify right side
    17,915.78x = 292,859,252.73
  5. Step 5: Solve for x
    x = 292,859,252.73/17,915.78
  6. Step 6: Final answer
    x = 16,346.44

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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.