Home / 22,565.75-31,130.94-13,608.28

Finding the Fourth Proportional to 22,565.75, 31,130.94 and 13,608.28

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Solution

The fourth proportional to 22,565.75, 31,130.94 and 13,608.28 is: 18,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565.75 : 31,130.94 = 13,608.28 : x
  2. Step 2: Convert to fraction form
    22,565.75/31,130.94 = 13,608.28/x
  3. Step 3: Cross multiply
    22,565.75x = 31,130.94 × 13,608.28
  4. Step 4: Simplify right side
    22,565.75x = 423,638,458.24
  5. Step 5: Solve for x
    x = 423,638,458.24/22,565.75
  6. Step 6: Final answer
    x = 18,773.51

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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.