Home / 17,990.08-26,992.90-9,660.36

Finding the Fourth Proportional to 17,990.08, 26,992.90 and 9,660.36

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Solution

The fourth proportional to 17,990.08, 26,992.90 and 9,660.36 is: 14,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.08 : 26,992.90 = 9,660.36 : x
  2. Step 2: Convert to fraction form
    17,990.08/26,992.90 = 9,660.36/x
  3. Step 3: Cross multiply
    17,990.08x = 26,992.90 × 9,660.36
  4. Step 4: Simplify right side
    17,990.08x = 260,761,131.44
  5. Step 5: Solve for x
    x = 260,761,131.44/17,990.08
  6. Step 6: Final answer
    x = 14,494.72

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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.