Home / 25,211.14-34,792.13-13,881.33

Finding the Fourth Proportional to 25,211.14, 34,792.13 and 13,881.33

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Solution

The fourth proportional to 25,211.14, 34,792.13 and 13,881.33 is: 19,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.14 : 34,792.13 = 13,881.33 : x
  2. Step 2: Convert to fraction form
    25,211.14/34,792.13 = 13,881.33/x
  3. Step 3: Cross multiply
    25,211.14x = 34,792.13 × 13,881.33
  4. Step 4: Simplify right side
    25,211.14x = 482,961,037.93
  5. Step 5: Solve for x
    x = 482,961,037.93/25,211.14
  6. Step 6: Final answer
    x = 19,156.65

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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.