Home / 18,152.32-27,231.37-6,309.72

Finding the Fourth Proportional to 18,152.32, 27,231.37 and 6,309.72

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Solution

The fourth proportional to 18,152.32, 27,231.37 and 6,309.72 is: 9,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.32 : 27,231.37 = 6,309.72 : x
  2. Step 2: Convert to fraction form
    18,152.32/27,231.37 = 6,309.72/x
  3. Step 3: Cross multiply
    18,152.32x = 27,231.37 × 6,309.72
  4. Step 4: Simplify right side
    18,152.32x = 171,822,319.92
  5. Step 5: Solve for x
    x = 171,822,319.92/18,152.32
  6. Step 6: Final answer
    x = 9,465.58

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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.