Home / 13,241.40-18,273.58-7,577.08

Finding the Fourth Proportional to 13,241.40, 18,273.58 and 7,577.08

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Solution

The fourth proportional to 13,241.40, 18,273.58 and 7,577.08 is: 10,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.40 : 18,273.58 = 7,577.08 : x
  2. Step 2: Convert to fraction form
    13,241.40/18,273.58 = 7,577.08/x
  3. Step 3: Cross multiply
    13,241.40x = 18,273.58 × 7,577.08
  4. Step 4: Simplify right side
    13,241.40x = 138,460,377.55
  5. Step 5: Solve for x
    x = 138,460,377.55/13,241.40
  6. Step 6: Final answer
    x = 10,456.63

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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.