Home / 21,088.35-31,632.89-6,297.44

Finding the Fourth Proportional to 21,088.35, 31,632.89 and 6,297.44

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Solution

The fourth proportional to 21,088.35, 31,632.89 and 6,297.44 is: 9,446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088.35 : 31,632.89 = 6,297.44 : x
  2. Step 2: Convert to fraction form
    21,088.35/31,632.89 = 6,297.44/x
  3. Step 3: Cross multiply
    21,088.35x = 31,632.89 × 6,297.44
  4. Step 4: Simplify right side
    21,088.35x = 199,206,037.15
  5. Step 5: Solve for x
    x = 199,206,037.15/21,088.35
  6. Step 6: Final answer
    x = 9,446.26

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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.