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Finding the Fourth Proportional to 13,573.44, 20,360.44 and 8,923.10

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Solution

The fourth proportional to 13,573.44, 20,360.44 and 8,923.10 is: 13,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.44 : 20,360.44 = 8,923.10 : x
  2. Step 2: Convert to fraction form
    13,573.44/20,360.44 = 8,923.10/x
  3. Step 3: Cross multiply
    13,573.44x = 20,360.44 × 8,923.10
  4. Step 4: Simplify right side
    13,573.44x = 181,678,242.16
  5. Step 5: Solve for x
    x = 181,678,242.16/13,573.44
  6. Step 6: Final answer
    x = 13,384.83

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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.