Home / 18,583.45-25,682.03-15,220.93

Finding the Fourth Proportional to 18,583.45, 25,682.03 and 15,220.93

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Solution

The fourth proportional to 18,583.45, 25,682.03 and 15,220.93 is: 21,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.45 : 25,682.03 = 15,220.93 : x
  2. Step 2: Convert to fraction form
    18,583.45/25,682.03 = 15,220.93/x
  3. Step 3: Cross multiply
    18,583.45x = 25,682.03 × 15,220.93
  4. Step 4: Simplify right side
    18,583.45x = 390,904,380.89
  5. Step 5: Solve for x
    x = 390,904,380.89/18,583.45
  6. Step 6: Final answer
    x = 21,035.08

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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.