Home / 12,761.07-19,136.20-4,862.35

Finding the Fourth Proportional to 12,761.07, 19,136.20 and 4,862.35

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Solution

The fourth proportional to 12,761.07, 19,136.20 and 4,862.35 is: 7,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.07 : 19,136.20 = 4,862.35 : x
  2. Step 2: Convert to fraction form
    12,761.07/19,136.20 = 4,862.35/x
  3. Step 3: Cross multiply
    12,761.07x = 19,136.20 × 4,862.35
  4. Step 4: Simplify right side
    12,761.07x = 93,046,902.07
  5. Step 5: Solve for x
    x = 93,046,902.07/12,761.07
  6. Step 6: Final answer
    x = 7,291.47

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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.