Home / 18,872.08-28,305.96-5,022.16

Finding the Fourth Proportional to 18,872.08, 28,305.96 and 5,022.16

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Solution

The fourth proportional to 18,872.08, 28,305.96 and 5,022.16 is: 7,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.08 : 28,305.96 = 5,022.16 : x
  2. Step 2: Convert to fraction form
    18,872.08/28,305.96 = 5,022.16/x
  3. Step 3: Cross multiply
    18,872.08x = 28,305.96 × 5,022.16
  4. Step 4: Simplify right side
    18,872.08x = 142,157,060.07
  5. Step 5: Solve for x
    x = 142,157,060.07/18,872.08
  6. Step 6: Final answer
    x = 7,532.67

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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.