Home / 12,708.42-19,063.02-3,943.38

Finding the Fourth Proportional to 12,708.42, 19,063.02 and 3,943.38

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Solution

The fourth proportional to 12,708.42, 19,063.02 and 3,943.38 is: 5,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.42 : 19,063.02 = 3,943.38 : x
  2. Step 2: Convert to fraction form
    12,708.42/19,063.02 = 3,943.38/x
  3. Step 3: Cross multiply
    12,708.42x = 19,063.02 × 3,943.38
  4. Step 4: Simplify right side
    12,708.42x = 75,172,731.81
  5. Step 5: Solve for x
    x = 75,172,731.81/12,708.42
  6. Step 6: Final answer
    x = 5,915.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.