Home / 10,553.58-15,831.12-3,157.44

Finding the Fourth Proportional to 10,553.58, 15,831.12 and 3,157.44

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Solution

The fourth proportional to 10,553.58, 15,831.12 and 3,157.44 is: 4,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.58 : 15,831.12 = 3,157.44 : x
  2. Step 2: Convert to fraction form
    10,553.58/15,831.12 = 3,157.44/x
  3. Step 3: Cross multiply
    10,553.58x = 15,831.12 × 3,157.44
  4. Step 4: Simplify right side
    10,553.58x = 49,985,811.53
  5. Step 5: Solve for x
    x = 49,985,811.53/10,553.58
  6. Step 6: Final answer
    x = 4,736.38

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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.