Home / 14,942.40-22,403.88-7,155.60

Finding the Fourth Proportional to 14,942.40, 22,403.88 and 7,155.60

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Solution

The fourth proportional to 14,942.40, 22,403.88 and 7,155.60 is: 10,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.40 : 22,403.88 = 7,155.60 : x
  2. Step 2: Convert to fraction form
    14,942.40/22,403.88 = 7,155.60/x
  3. Step 3: Cross multiply
    14,942.40x = 22,403.88 × 7,155.60
  4. Step 4: Simplify right side
    14,942.40x = 160,313,203.73
  5. Step 5: Solve for x
    x = 160,313,203.73/14,942.40
  6. Step 6: Final answer
    x = 10,728.75

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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.