Home / 22,651.82-31,259.91-12,581.19

Finding the Fourth Proportional to 22,651.82, 31,259.91 and 12,581.19

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Solution

The fourth proportional to 22,651.82, 31,259.91 and 12,581.19 is: 17,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.82 : 31,259.91 = 12,581.19 : x
  2. Step 2: Convert to fraction form
    22,651.82/31,259.91 = 12,581.19/x
  3. Step 3: Cross multiply
    22,651.82x = 31,259.91 × 12,581.19
  4. Step 4: Simplify right side
    22,651.82x = 393,286,804.19
  5. Step 5: Solve for x
    x = 393,286,804.19/22,651.82
  6. Step 6: Final answer
    x = 17,362.26

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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.