Home / 12,845.50-19,272.14-9,104.52

Finding the Fourth Proportional to 12,845.50, 19,272.14 and 9,104.52

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Solution

The fourth proportional to 12,845.50, 19,272.14 and 9,104.52 is: 13,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.50 : 19,272.14 = 9,104.52 : x
  2. Step 2: Convert to fraction form
    12,845.50/19,272.14 = 9,104.52/x
  3. Step 3: Cross multiply
    12,845.50x = 19,272.14 × 9,104.52
  4. Step 4: Simplify right side
    12,845.50x = 175,463,442.19
  5. Step 5: Solve for x
    x = 175,463,442.19/12,845.50
  6. Step 6: Final answer
    x = 13,659.53

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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.