Home / 10,550.94-15,831.81-4,315.56

Finding the Fourth Proportional to 10,550.94, 15,831.81 and 4,315.56

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Solution

The fourth proportional to 10,550.94, 15,831.81 and 4,315.56 is: 6,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.94 : 15,831.81 = 4,315.56 : x
  2. Step 2: Convert to fraction form
    10,550.94/15,831.81 = 4,315.56/x
  3. Step 3: Cross multiply
    10,550.94x = 15,831.81 × 4,315.56
  4. Step 4: Simplify right side
    10,550.94x = 68,323,125.96
  5. Step 5: Solve for x
    x = 68,323,125.96/10,550.94
  6. Step 6: Final answer
    x = 6,475.55

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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.