Home / 14,232.20-19,644.60-8,266.55

Finding the Fourth Proportional to 14,232.20, 19,644.60 and 8,266.55

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Solution

The fourth proportional to 14,232.20, 19,644.60 and 8,266.55 is: 11,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232.20 : 19,644.60 = 8,266.55 : x
  2. Step 2: Convert to fraction form
    14,232.20/19,644.60 = 8,266.55/x
  3. Step 3: Cross multiply
    14,232.20x = 19,644.60 × 8,266.55
  4. Step 4: Simplify right side
    14,232.20x = 162,392,969.91
  5. Step 5: Solve for x
    x = 162,392,969.91/14,232.20
  6. Step 6: Final answer
    x = 11,410.25

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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.