Home / 22,653.12-31,256.16-13,223.04

Finding the Fourth Proportional to 22,653.12, 31,256.16 and 13,223.04

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Solution

The fourth proportional to 22,653.12, 31,256.16 and 13,223.04 is: 18,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.12 : 31,256.16 = 13,223.04 : x
  2. Step 2: Convert to fraction form
    22,653.12/31,256.16 = 13,223.04/x
  3. Step 3: Cross multiply
    22,653.12x = 31,256.16 × 13,223.04
  4. Step 4: Simplify right side
    22,653.12x = 413,301,453.93
  5. Step 5: Solve for x
    x = 413,301,453.93/22,653.12
  6. Step 6: Final answer
    x = 18,244.79

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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.