Home / 20,233.40-30,339.30-8,533.40

Finding the Fourth Proportional to 20,233.40, 30,339.30 and 8,533.40

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Solution

The fourth proportional to 20,233.40, 30,339.30 and 8,533.40 is: 12,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.40 : 30,339.30 = 8,533.40 : x
  2. Step 2: Convert to fraction form
    20,233.40/30,339.30 = 8,533.40/x
  3. Step 3: Cross multiply
    20,233.40x = 30,339.30 × 8,533.40
  4. Step 4: Simplify right side
    20,233.40x = 258,897,382.62
  5. Step 5: Solve for x
    x = 258,897,382.62/20,233.40
  6. Step 6: Final answer
    x = 12,795.55

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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.