Home / 12,541.39-18,812.07-3,776.29

Finding the Fourth Proportional to 12,541.39, 18,812.07 and 3,776.29

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Solution

The fourth proportional to 12,541.39, 18,812.07 and 3,776.29 is: 5,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.39 : 18,812.07 = 3,776.29 : x
  2. Step 2: Convert to fraction form
    12,541.39/18,812.07 = 3,776.29/x
  3. Step 3: Cross multiply
    12,541.39x = 18,812.07 × 3,776.29
  4. Step 4: Simplify right side
    12,541.39x = 71,039,831.82
  5. Step 5: Solve for x
    x = 71,039,831.82/12,541.39
  6. Step 6: Final answer
    x = 5,664.43

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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.