Home / 13,241.36-18,274.16-7,274.18

Finding the Fourth Proportional to 13,241.36, 18,274.16 and 7,274.18

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Solution

The fourth proportional to 13,241.36, 18,274.16 and 7,274.18 is: 10,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.36 : 18,274.16 = 7,274.18 : x
  2. Step 2: Convert to fraction form
    13,241.36/18,274.16 = 7,274.18/x
  3. Step 3: Cross multiply
    13,241.36x = 18,274.16 × 7,274.18
  4. Step 4: Simplify right side
    13,241.36x = 132,929,529.19
  5. Step 5: Solve for x
    x = 132,929,529.19/13,241.36
  6. Step 6: Final answer
    x = 10,038.96

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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.