Home / 18,099.66-27,150.51-5,621.46

Finding the Fourth Proportional to 18,099.66, 27,150.51 and 5,621.46

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Solution

The fourth proportional to 18,099.66, 27,150.51 and 5,621.46 is: 8,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.66 : 27,150.51 = 5,621.46 : x
  2. Step 2: Convert to fraction form
    18,099.66/27,150.51 = 5,621.46/x
  3. Step 3: Cross multiply
    18,099.66x = 27,150.51 × 5,621.46
  4. Step 4: Simplify right side
    18,099.66x = 152,625,384.25
  5. Step 5: Solve for x
    x = 152,625,384.25/18,099.66
  6. Step 6: Final answer
    x = 8,432.50

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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.