Home / 22,640.03-31,243.35-14,147.08

Finding the Fourth Proportional to 22,640.03, 31,243.35 and 14,147.08

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Solution

The fourth proportional to 22,640.03, 31,243.35 and 14,147.08 is: 19,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.03 : 31,243.35 = 14,147.08 : x
  2. Step 2: Convert to fraction form
    22,640.03/31,243.35 = 14,147.08/x
  3. Step 3: Cross multiply
    22,640.03x = 31,243.35 × 14,147.08
  4. Step 4: Simplify right side
    22,640.03x = 442,002,115.37
  5. Step 5: Solve for x
    x = 442,002,115.37/22,640.03
  6. Step 6: Final answer
    x = 19,523.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.