Home / 20,260.24-30,385.50-6,409.24

Finding the Fourth Proportional to 20,260.24, 30,385.50 and 6,409.24

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Solution

The fourth proportional to 20,260.24, 30,385.50 and 6,409.24 is: 9,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.24 : 30,385.50 = 6,409.24 : x
  2. Step 2: Convert to fraction form
    20,260.24/30,385.50 = 6,409.24/x
  3. Step 3: Cross multiply
    20,260.24x = 30,385.50 × 6,409.24
  4. Step 4: Simplify right side
    20,260.24x = 194,747,962.02
  5. Step 5: Solve for x
    x = 194,747,962.02/20,260.24
  6. Step 6: Final answer
    x = 9,612.32

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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.