Home / 17,731.89-26,602.38-6,638.73

Finding the Fourth Proportional to 17,731.89, 26,602.38 and 6,638.73

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Solution

The fourth proportional to 17,731.89, 26,602.38 and 6,638.73 is: 9,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.89 : 26,602.38 = 6,638.73 : x
  2. Step 2: Convert to fraction form
    17,731.89/26,602.38 = 6,638.73/x
  3. Step 3: Cross multiply
    17,731.89x = 26,602.38 × 6,638.73
  4. Step 4: Simplify right side
    17,731.89x = 176,606,018.18
  5. Step 5: Solve for x
    x = 176,606,018.18/17,731.89
  6. Step 6: Final answer
    x = 9,959.80

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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.