Home / 17,731.32-26,587.62-7,866.30

Finding the Fourth Proportional to 17,731.32, 26,587.62 and 7,866.30

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Solution

The fourth proportional to 17,731.32, 26,587.62 and 7,866.30 is: 11,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.32 : 26,587.62 = 7,866.30 : x
  2. Step 2: Convert to fraction form
    17,731.32/26,587.62 = 7,866.30/x
  3. Step 3: Cross multiply
    17,731.32x = 26,587.62 × 7,866.30
  4. Step 4: Simplify right side
    17,731.32x = 209,146,195.21
  5. Step 5: Solve for x
    x = 209,146,195.21/17,731.32
  6. Step 6: Final answer
    x = 11,795.30

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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.