Home / 14,385.60-19,848.24-11,404.80

Finding the Fourth Proportional to 14,385.60, 19,848.24 and 11,404.80

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Solution

The fourth proportional to 14,385.60, 19,848.24 and 11,404.80 is: 15,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.60 : 19,848.24 = 11,404.80 : x
  2. Step 2: Convert to fraction form
    14,385.60/19,848.24 = 11,404.80/x
  3. Step 3: Cross multiply
    14,385.60x = 19,848.24 × 11,404.80
  4. Step 4: Simplify right side
    14,385.60x = 226,365,207.55
  5. Step 5: Solve for x
    x = 226,365,207.55/14,385.60
  6. Step 6: Final answer
    x = 15,735.54

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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.