Home / 15,885.88-23,831.46-5,495.20

Finding the Fourth Proportional to 15,885.88, 23,831.46 and 5,495.20

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Solution

The fourth proportional to 15,885.88, 23,831.46 and 5,495.20 is: 8,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.88 : 23,831.46 = 5,495.20 : x
  2. Step 2: Convert to fraction form
    15,885.88/23,831.46 = 5,495.20/x
  3. Step 3: Cross multiply
    15,885.88x = 23,831.46 × 5,495.20
  4. Step 4: Simplify right side
    15,885.88x = 130,958,638.99
  5. Step 5: Solve for x
    x = 130,958,638.99/15,885.88
  6. Step 6: Final answer
    x = 8,243.71

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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.