Home / 13,566.44-20,349.94-8,916.10

Finding the Fourth Proportional to 13,566.44, 20,349.94 and 8,916.10

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Solution

The fourth proportional to 13,566.44, 20,349.94 and 8,916.10 is: 13,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.44 : 20,349.94 = 8,916.10 : x
  2. Step 2: Convert to fraction form
    13,566.44/20,349.94 = 8,916.10/x
  3. Step 3: Cross multiply
    13,566.44x = 20,349.94 × 8,916.10
  4. Step 4: Simplify right side
    13,566.44x = 181,442,100.03
  5. Step 5: Solve for x
    x = 181,442,100.03/13,566.44
  6. Step 6: Final answer
    x = 13,374.33

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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.