Home / 18,401.55-25,395.17-10,852.30

Finding the Fourth Proportional to 18,401.55, 25,395.17 and 10,852.30

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Solution

The fourth proportional to 18,401.55, 25,395.17 and 10,852.30 is: 14,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.55 : 25,395.17 = 10,852.30 : x
  2. Step 2: Convert to fraction form
    18,401.55/25,395.17 = 10,852.30/x
  3. Step 3: Cross multiply
    18,401.55x = 25,395.17 × 10,852.30
  4. Step 4: Simplify right side
    18,401.55x = 275,596,113.34
  5. Step 5: Solve for x
    x = 275,596,113.34/18,401.55
  6. Step 6: Final answer
    x = 14,976.78

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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.