Home / 19,915.54-27,484.18-10,963.42

Finding the Fourth Proportional to 19,915.54, 27,484.18 and 10,963.42

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Solution

The fourth proportional to 19,915.54, 27,484.18 and 10,963.42 is: 15,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.54 : 27,484.18 = 10,963.42 : x
  2. Step 2: Convert to fraction form
    19,915.54/27,484.18 = 10,963.42/x
  3. Step 3: Cross multiply
    19,915.54x = 27,484.18 × 10,963.42
  4. Step 4: Simplify right side
    19,915.54x = 301,320,608.70
  5. Step 5: Solve for x
    x = 301,320,608.70/19,915.54
  6. Step 6: Final answer
    x = 15,129.92

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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.