Home / 18,902.04-28,292.43-12,562.38

Finding the Fourth Proportional to 18,902.04, 28,292.43 and 12,562.38

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Solution

The fourth proportional to 18,902.04, 28,292.43 and 12,562.38 is: 18,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.04 : 28,292.43 = 12,562.38 : x
  2. Step 2: Convert to fraction form
    18,902.04/28,292.43 = 12,562.38/x
  3. Step 3: Cross multiply
    18,902.04x = 28,292.43 × 12,562.38
  4. Step 4: Simplify right side
    18,902.04x = 355,420,256.78
  5. Step 5: Solve for x
    x = 355,420,256.78/18,902.04
  6. Step 6: Final answer
    x = 18,803.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.