Home / 21,093.39-31,632.63-9,252.91

Finding the Fourth Proportional to 21,093.39, 31,632.63 and 9,252.91

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Solution

The fourth proportional to 21,093.39, 31,632.63 and 9,252.91 is: 13,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093.39 : 31,632.63 = 9,252.91 : x
  2. Step 2: Convert to fraction form
    21,093.39/31,632.63 = 9,252.91/x
  3. Step 3: Cross multiply
    21,093.39x = 31,632.63 × 9,252.91
  4. Step 4: Simplify right side
    21,093.39x = 292,693,878.45
  5. Step 5: Solve for x
    x = 292,693,878.45/21,093.39
  6. Step 6: Final answer
    x = 13,876.09

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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.