Home / 13,197.45-19,789.74-4,881.36

Finding the Fourth Proportional to 13,197.45, 19,789.74 and 4,881.36

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Solution

The fourth proportional to 13,197.45, 19,789.74 and 4,881.36 is: 7,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.45 : 19,789.74 = 4,881.36 : x
  2. Step 2: Convert to fraction form
    13,197.45/19,789.74 = 4,881.36/x
  3. Step 3: Cross multiply
    13,197.45x = 19,789.74 × 4,881.36
  4. Step 4: Simplify right side
    13,197.45x = 96,600,845.25
  5. Step 5: Solve for x
    x = 96,600,845.25/13,197.45
  6. Step 6: Final answer
    x = 7,319.66

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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.