Home / 18,769.32-28,152.90-6,288.84

Finding the Fourth Proportional to 18,769.32, 28,152.90 and 6,288.84

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Solution

The fourth proportional to 18,769.32, 28,152.90 and 6,288.84 is: 9,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.32 : 28,152.90 = 6,288.84 : x
  2. Step 2: Convert to fraction form
    18,769.32/28,152.90 = 6,288.84/x
  3. Step 3: Cross multiply
    18,769.32x = 28,152.90 × 6,288.84
  4. Step 4: Simplify right side
    18,769.32x = 177,049,083.64
  5. Step 5: Solve for x
    x = 177,049,083.64/18,769.32
  6. Step 6: Final answer
    x = 9,432.90

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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.