Home / 19,644.60-29,466.72-8,549.76

Finding the Fourth Proportional to 19,644.60, 29,466.72 and 8,549.76

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Solution

The fourth proportional to 19,644.60, 29,466.72 and 8,549.76 is: 12,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.60 : 29,466.72 = 8,549.76 : x
  2. Step 2: Convert to fraction form
    19,644.60/29,466.72 = 8,549.76/x
  3. Step 3: Cross multiply
    19,644.60x = 29,466.72 × 8,549.76
  4. Step 4: Simplify right side
    19,644.60x = 251,933,383.99
  5. Step 5: Solve for x
    x = 251,933,383.99/19,644.60
  6. Step 6: Final answer
    x = 12,824.56

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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.