Home / 15,831.06-23,757.40-8,440.71

Finding the Fourth Proportional to 15,831.06, 23,757.40 and 8,440.71

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Solution

The fourth proportional to 15,831.06, 23,757.40 and 8,440.71 is: 12,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.06 : 23,757.40 = 8,440.71 : x
  2. Step 2: Convert to fraction form
    15,831.06/23,757.40 = 8,440.71/x
  3. Step 3: Cross multiply
    15,831.06x = 23,757.40 × 8,440.71
  4. Step 4: Simplify right side
    15,831.06x = 200,529,293.68
  5. Step 5: Solve for x
    x = 200,529,293.68/15,831.06
  6. Step 6: Final answer
    x = 12,666.83

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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.