Home / 10,406.20-15,614.70-4,563.40

Finding the Fourth Proportional to 10,406.20, 15,614.70 and 4,563.40

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Solution

The fourth proportional to 10,406.20, 15,614.70 and 4,563.40 is: 6,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.20 : 15,614.70 = 4,563.40 : x
  2. Step 2: Convert to fraction form
    10,406.20/15,614.70 = 4,563.40/x
  3. Step 3: Cross multiply
    10,406.20x = 15,614.70 × 4,563.40
  4. Step 4: Simplify right side
    10,406.20x = 71,256,121.98
  5. Step 5: Solve for x
    x = 71,256,121.98/10,406.20
  6. Step 6: Final answer
    x = 6,847.47

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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.