Home / 12,557.41-18,831.69-3,670.36

Finding the Fourth Proportional to 12,557.41, 18,831.69 and 3,670.36

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Solution

The fourth proportional to 12,557.41, 18,831.69 and 3,670.36 is: 5,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.41 : 18,831.69 = 3,670.36 : x
  2. Step 2: Convert to fraction form
    12,557.41/18,831.69 = 3,670.36/x
  3. Step 3: Cross multiply
    12,557.41x = 18,831.69 × 3,670.36
  4. Step 4: Simplify right side
    12,557.41x = 69,119,034.63
  5. Step 5: Solve for x
    x = 69,119,034.63/12,557.41
  6. Step 6: Final answer
    x = 5,504.24

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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.