Home / 18,221.49-25,145.44-10,265.06

Finding the Fourth Proportional to 18,221.49, 25,145.44 and 10,265.06

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Solution

The fourth proportional to 18,221.49, 25,145.44 and 10,265.06 is: 14,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.49 : 25,145.44 = 10,265.06 : x
  2. Step 2: Convert to fraction form
    18,221.49/25,145.44 = 10,265.06/x
  3. Step 3: Cross multiply
    18,221.49x = 25,145.44 × 10,265.06
  4. Step 4: Simplify right side
    18,221.49x = 258,119,487.53
  5. Step 5: Solve for x
    x = 258,119,487.53/18,221.49
  6. Step 6: Final answer
    x = 14,165.66

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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.