Home / 18,723.83-28,085.60-5,576.18

Finding the Fourth Proportional to 18,723.83, 28,085.60 and 5,576.18

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Solution

The fourth proportional to 18,723.83, 28,085.60 and 5,576.18 is: 8,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.83 : 28,085.60 = 5,576.18 : x
  2. Step 2: Convert to fraction form
    18,723.83/28,085.60 = 5,576.18/x
  3. Step 3: Cross multiply
    18,723.83x = 28,085.60 × 5,576.18
  4. Step 4: Simplify right side
    18,723.83x = 156,610,234.52
  5. Step 5: Solve for x
    x = 156,610,234.52/18,723.83
  6. Step 6: Final answer
    x = 8,364.22

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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.