Home / 17,983.98-26,979.84-6,890.66

Finding the Fourth Proportional to 17,983.98, 26,979.84 and 6,890.66

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Solution

The fourth proportional to 17,983.98, 26,979.84 and 6,890.66 is: 10,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.98 : 26,979.84 = 6,890.66 : x
  2. Step 2: Convert to fraction form
    17,983.98/26,979.84 = 6,890.66/x
  3. Step 3: Cross multiply
    17,983.98x = 26,979.84 × 6,890.66
  4. Step 4: Simplify right side
    17,983.98x = 185,908,904.29
  5. Step 5: Solve for x
    x = 185,908,904.29/17,983.98
  6. Step 6: Final answer
    x = 10,337.47

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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.