Home / 18,817.81-25,968.94-11,264.47

Finding the Fourth Proportional to 18,817.81, 25,968.94 and 11,264.47

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Solution

The fourth proportional to 18,817.81, 25,968.94 and 11,264.47 is: 15,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.81 : 25,968.94 = 11,264.47 : x
  2. Step 2: Convert to fraction form
    18,817.81/25,968.94 = 11,264.47/x
  3. Step 3: Cross multiply
    18,817.81x = 25,968.94 × 11,264.47
  4. Step 4: Simplify right side
    18,817.81x = 292,526,252.48
  5. Step 5: Solve for x
    x = 292,526,252.48/18,817.81
  6. Step 6: Final answer
    x = 15,545.18

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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.