Home / 15,541.70-23,319.44-8,144.40

Finding the Fourth Proportional to 15,541.70, 23,319.44 and 8,144.40

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Solution

The fourth proportional to 15,541.70, 23,319.44 and 8,144.40 is: 12,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.70 : 23,319.44 = 8,144.40 : x
  2. Step 2: Convert to fraction form
    15,541.70/23,319.44 = 8,144.40/x
  3. Step 3: Cross multiply
    15,541.70x = 23,319.44 × 8,144.40
  4. Step 4: Simplify right side
    15,541.70x = 189,922,847.14
  5. Step 5: Solve for x
    x = 189,922,847.14/15,541.70
  6. Step 6: Final answer
    x = 12,220.21

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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.