Home / 15,121.75-22,684.45-6,355.53

Finding the Fourth Proportional to 15,121.75, 22,684.45 and 6,355.53

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Solution

The fourth proportional to 15,121.75, 22,684.45 and 6,355.53 is: 9,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.75 : 22,684.45 = 6,355.53 : x
  2. Step 2: Convert to fraction form
    15,121.75/22,684.45 = 6,355.53/x
  3. Step 3: Cross multiply
    15,121.75x = 22,684.45 × 6,355.53
  4. Step 4: Simplify right side
    15,121.75x = 144,171,661.69
  5. Step 5: Solve for x
    x = 144,171,661.69/15,121.75
  6. Step 6: Final answer
    x = 9,534.06

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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.