Home / 22,759.40-31,404.16-12,685.64

Finding the Fourth Proportional to 22,759.40, 31,404.16 and 12,685.64

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Solution

The fourth proportional to 22,759.40, 31,404.16 and 12,685.64 is: 17,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,759.40 : 31,404.16 = 12,685.64 : x
  2. Step 2: Convert to fraction form
    22,759.40/31,404.16 = 12,685.64/x
  3. Step 3: Cross multiply
    22,759.40x = 31,404.16 × 12,685.64
  4. Step 4: Simplify right side
    22,759.40x = 398,381,868.26
  5. Step 5: Solve for x
    x = 398,381,868.26/22,759.40
  6. Step 6: Final answer
    x = 17,504.06

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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.