Home / 22,695.75-31,320.14-12,759.75

Finding the Fourth Proportional to 22,695.75, 31,320.14 and 12,759.75

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Solution

The fourth proportional to 22,695.75, 31,320.14 and 12,759.75 is: 17,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.75 : 31,320.14 = 12,759.75 : x
  2. Step 2: Convert to fraction form
    22,695.75/31,320.14 = 12,759.75/x
  3. Step 3: Cross multiply
    22,695.75x = 31,320.14 × 12,759.75
  4. Step 4: Simplify right side
    22,695.75x = 399,637,156.37
  5. Step 5: Solve for x
    x = 399,637,156.37/22,695.75
  6. Step 6: Final answer
    x = 17,608.46

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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.