Home / 20,124.05-30,186.32-6,084.21

Finding the Fourth Proportional to 20,124.05, 30,186.32 and 6,084.21

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Solution

The fourth proportional to 20,124.05, 30,186.32 and 6,084.21 is: 9,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.05 : 30,186.32 = 6,084.21 : x
  2. Step 2: Convert to fraction form
    20,124.05/30,186.32 = 6,084.21/x
  3. Step 3: Cross multiply
    20,124.05x = 30,186.32 × 6,084.21
  4. Step 4: Simplify right side
    20,124.05x = 183,660,027.01
  5. Step 5: Solve for x
    x = 183,660,027.01/20,124.05
  6. Step 6: Final answer
    x = 9,126.40

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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.