Home / 17,437.89-26,131.32-8,660.73

Finding the Fourth Proportional to 17,437.89, 26,131.32 and 8,660.73

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Solution

The fourth proportional to 17,437.89, 26,131.32 and 8,660.73 is: 12,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,437.89 : 26,131.32 = 8,660.73 : x
  2. Step 2: Convert to fraction form
    17,437.89/26,131.32 = 8,660.73/x
  3. Step 3: Cross multiply
    17,437.89x = 26,131.32 × 8,660.73
  4. Step 4: Simplify right side
    17,437.89x = 226,316,307.06
  5. Step 5: Solve for x
    x = 226,316,307.06/17,437.89
  6. Step 6: Final answer
    x = 12,978.42

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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.