Home / 22,617.57-31,209.48-13,059.21

Finding the Fourth Proportional to 22,617.57, 31,209.48 and 13,059.21

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Solution

The fourth proportional to 22,617.57, 31,209.48 and 13,059.21 is: 18,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.57 : 31,209.48 = 13,059.21 : x
  2. Step 2: Convert to fraction form
    22,617.57/31,209.48 = 13,059.21/x
  3. Step 3: Cross multiply
    22,617.57x = 31,209.48 × 13,059.21
  4. Step 4: Simplify right side
    22,617.57x = 407,571,153.31
  5. Step 5: Solve for x
    x = 407,571,153.31/22,617.57
  6. Step 6: Final answer
    x = 18,020.11

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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.