Home / 12,623.67-18,936.09-4,831.92

Finding the Fourth Proportional to 12,623.67, 18,936.09 and 4,831.92

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Solution

The fourth proportional to 12,623.67, 18,936.09 and 4,831.92 is: 7,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.67 : 18,936.09 = 4,831.92 : x
  2. Step 2: Convert to fraction form
    12,623.67/18,936.09 = 4,831.92/x
  3. Step 3: Cross multiply
    12,623.67x = 18,936.09 × 4,831.92
  4. Step 4: Simplify right side
    12,623.67x = 91,497,671.99
  5. Step 5: Solve for x
    x = 91,497,671.99/12,623.67
  6. Step 6: Final answer
    x = 7,248.10

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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.