Home / 13,558.14-20,306.34-9,379.26

Finding the Fourth Proportional to 13,558.14, 20,306.34 and 9,379.26

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Solution

The fourth proportional to 13,558.14, 20,306.34 and 9,379.26 is: 14,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.14 : 20,306.34 = 9,379.26 : x
  2. Step 2: Convert to fraction form
    13,558.14/20,306.34 = 9,379.26/x
  3. Step 3: Cross multiply
    13,558.14x = 20,306.34 × 9,379.26
  4. Step 4: Simplify right side
    13,558.14x = 190,458,442.51
  5. Step 5: Solve for x
    x = 190,458,442.51/13,558.14
  6. Step 6: Final answer
    x = 14,047.53

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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.