Home / 17,939.17-26,898.63-8,581.44

Finding the Fourth Proportional to 17,939.17, 26,898.63 and 8,581.44

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Solution

The fourth proportional to 17,939.17, 26,898.63 and 8,581.44 is: 12,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.17 : 26,898.63 = 8,581.44 : x
  2. Step 2: Convert to fraction form
    17,939.17/26,898.63 = 8,581.44/x
  3. Step 3: Cross multiply
    17,939.17x = 26,898.63 × 8,581.44
  4. Step 4: Simplify right side
    17,939.17x = 230,828,979.43
  5. Step 5: Solve for x
    x = 230,828,979.43/17,939.17
  6. Step 6: Final answer
    x = 12,867.32

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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.