Home / 12,100.89-18,152.46-4,705.92

Finding the Fourth Proportional to 12,100.89, 18,152.46 and 4,705.92

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Solution

The fourth proportional to 12,100.89, 18,152.46 and 4,705.92 is: 7,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.89 : 18,152.46 = 4,705.92 : x
  2. Step 2: Convert to fraction form
    12,100.89/18,152.46 = 4,705.92/x
  3. Step 3: Cross multiply
    12,100.89x = 18,152.46 × 4,705.92
  4. Step 4: Simplify right side
    12,100.89x = 85,424,024.56
  5. Step 5: Solve for x
    x = 85,424,024.56/12,100.89
  6. Step 6: Final answer
    x = 7,059.32

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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.