Home / 20,524.37-30,740.42-12,497.39

Finding the Fourth Proportional to 20,524.37, 30,740.42 and 12,497.39

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Solution

The fourth proportional to 20,524.37, 30,740.42 and 12,497.39 is: 18,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.37 : 30,740.42 = 12,497.39 : x
  2. Step 2: Convert to fraction form
    20,524.37/30,740.42 = 12,497.39/x
  3. Step 3: Cross multiply
    20,524.37x = 30,740.42 × 12,497.39
  4. Step 4: Simplify right side
    20,524.37x = 384,175,047.49
  5. Step 5: Solve for x
    x = 384,175,047.49/20,524.37
  6. Step 6: Final answer
    x = 18,718.00

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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.