Home / 18,291.20-25,241.70-10,334.96

Finding the Fourth Proportional to 18,291.20, 25,241.70 and 10,334.96

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Solution

The fourth proportional to 18,291.20, 25,241.70 and 10,334.96 is: 14,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.20 : 25,241.70 = 10,334.96 : x
  2. Step 2: Convert to fraction form
    18,291.20/25,241.70 = 10,334.96/x
  3. Step 3: Cross multiply
    18,291.20x = 25,241.70 × 10,334.96
  4. Step 4: Simplify right side
    18,291.20x = 260,871,959.83
  5. Step 5: Solve for x
    x = 260,871,959.83/18,291.20
  6. Step 6: Final answer
    x = 14,262.16

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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.