Home / 14,825.56-20,458.96-8,111.17

Finding the Fourth Proportional to 14,825.56, 20,458.96 and 8,111.17

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Solution

The fourth proportional to 14,825.56, 20,458.96 and 8,111.17 is: 11,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.56 : 20,458.96 = 8,111.17 : x
  2. Step 2: Convert to fraction form
    14,825.56/20,458.96 = 8,111.17/x
  3. Step 3: Cross multiply
    14,825.56x = 20,458.96 × 8,111.17
  4. Step 4: Simplify right side
    14,825.56x = 165,946,102.58
  5. Step 5: Solve for x
    x = 165,946,102.58/14,825.56
  6. Step 6: Final answer
    x = 11,193.24

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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.