Home / 14,889.75-20,546.31-8,921.26

Finding the Fourth Proportional to 14,889.75, 20,546.31 and 8,921.26

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Solution

The fourth proportional to 14,889.75, 20,546.31 and 8,921.26 is: 12,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.75 : 20,546.31 = 8,921.26 : x
  2. Step 2: Convert to fraction form
    14,889.75/20,546.31 = 8,921.26/x
  3. Step 3: Cross multiply
    14,889.75x = 20,546.31 × 8,921.26
  4. Step 4: Simplify right side
    14,889.75x = 183,298,973.55
  5. Step 5: Solve for x
    x = 183,298,973.55/14,889.75
  6. Step 6: Final answer
    x = 12,310.41

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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.