Home / 13,941.54-19,231.29-8,349.30

Finding the Fourth Proportional to 13,941.54, 19,231.29 and 8,349.30

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Solution

The fourth proportional to 13,941.54, 19,231.29 and 8,349.30 is: 11,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.54 : 19,231.29 = 8,349.30 : x
  2. Step 2: Convert to fraction form
    13,941.54/19,231.29 = 8,349.30/x
  3. Step 3: Cross multiply
    13,941.54x = 19,231.29 × 8,349.30
  4. Step 4: Simplify right side
    13,941.54x = 160,567,809.60
  5. Step 5: Solve for x
    x = 160,567,809.60/13,941.54
  6. Step 6: Final answer
    x = 11,517.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.