Home / 20,386.50-30,584.15-6,346.23

Finding the Fourth Proportional to 20,386.50, 30,584.15 and 6,346.23

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Solution

The fourth proportional to 20,386.50, 30,584.15 and 6,346.23 is: 9,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386.50 : 30,584.15 = 6,346.23 : x
  2. Step 2: Convert to fraction form
    20,386.50/30,584.15 = 6,346.23/x
  3. Step 3: Cross multiply
    20,386.50x = 30,584.15 × 6,346.23
  4. Step 4: Simplify right side
    20,386.50x = 194,094,018.52
  5. Step 5: Solve for x
    x = 194,094,018.52/20,386.50
  6. Step 6: Final answer
    x = 9,520.71

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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.