Home / 15,200.16-22,800.24-12,141.60

Finding the Fourth Proportional to 15,200.16, 22,800.24 and 12,141.60

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Solution

The fourth proportional to 15,200.16, 22,800.24 and 12,141.60 is: 18,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200.16 : 22,800.24 = 12,141.60 : x
  2. Step 2: Convert to fraction form
    15,200.16/22,800.24 = 12,141.60/x
  3. Step 3: Cross multiply
    15,200.16x = 22,800.24 × 12,141.60
  4. Step 4: Simplify right side
    15,200.16x = 276,831,393.98
  5. Step 5: Solve for x
    x = 276,831,393.98/15,200.16
  6. Step 6: Final answer
    x = 18,212.40

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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.