Home / 13,241.60-18,272.32-7,272.96

Finding the Fourth Proportional to 13,241.60, 18,272.32 and 7,272.96

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Solution

The fourth proportional to 13,241.60, 18,272.32 and 7,272.96 is: 10,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.60 : 18,272.32 = 7,272.96 : x
  2. Step 2: Convert to fraction form
    13,241.60/18,272.32 = 7,272.96/x
  3. Step 3: Cross multiply
    13,241.60x = 18,272.32 × 7,272.96
  4. Step 4: Simplify right side
    13,241.60x = 132,893,852.47
  5. Step 5: Solve for x
    x = 132,893,852.47/13,241.60
  6. Step 6: Final answer
    x = 10,036.09

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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.