Home / 20,435.61-30,653.52-6,204.21

Finding the Fourth Proportional to 20,435.61, 30,653.52 and 6,204.21

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Solution

The fourth proportional to 20,435.61, 30,653.52 and 6,204.21 is: 9,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,435.61 : 30,653.52 = 6,204.21 : x
  2. Step 2: Convert to fraction form
    20,435.61/30,653.52 = 6,204.21/x
  3. Step 3: Cross multiply
    20,435.61x = 30,653.52 × 6,204.21
  4. Step 4: Simplify right side
    20,435.61x = 190,180,844.30
  5. Step 5: Solve for x
    x = 190,180,844.30/20,435.61
  6. Step 6: Final answer
    x = 9,306.35

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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.