Home / 17,990.07-26,987.37-9,658.64

Finding the Fourth Proportional to 17,990.07, 26,987.37 and 9,658.64

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Solution

The fourth proportional to 17,990.07, 26,987.37 and 9,658.64 is: 14,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.07 : 26,987.37 = 9,658.64 : x
  2. Step 2: Convert to fraction form
    17,990.07/26,987.37 = 9,658.64/x
  3. Step 3: Cross multiply
    17,990.07x = 26,987.37 × 9,658.64
  4. Step 4: Simplify right side
    17,990.07x = 260,661,108.15
  5. Step 5: Solve for x
    x = 260,661,108.15/17,990.07
  6. Step 6: Final answer
    x = 14,489.17

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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.