Home / 15,502.20-23,263.20-5,640.60

Finding the Fourth Proportional to 15,502.20, 23,263.20 and 5,640.60

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Solution

The fourth proportional to 15,502.20, 23,263.20 and 5,640.60 is: 8,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.20 : 23,263.20 = 5,640.60 : x
  2. Step 2: Convert to fraction form
    15,502.20/23,263.20 = 5,640.60/x
  3. Step 3: Cross multiply
    15,502.20x = 23,263.20 × 5,640.60
  4. Step 4: Simplify right side
    15,502.20x = 131,218,405.92
  5. Step 5: Solve for x
    x = 131,218,405.92/15,502.20
  6. Step 6: Final answer
    x = 8,464.50

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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.