Home / 20,281.61-30,423.26-6,963.75

Finding the Fourth Proportional to 20,281.61, 30,423.26 and 6,963.75

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Solution

The fourth proportional to 20,281.61, 30,423.26 and 6,963.75 is: 10,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.61 : 30,423.26 = 6,963.75 : x
  2. Step 2: Convert to fraction form
    20,281.61/30,423.26 = 6,963.75/x
  3. Step 3: Cross multiply
    20,281.61x = 30,423.26 × 6,963.75
  4. Step 4: Simplify right side
    20,281.61x = 211,859,942.01
  5. Step 5: Solve for x
    x = 211,859,942.01/20,281.61
  6. Step 6: Final answer
    x = 10,445.92

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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.