Home / 10,806.20-14,913.78-6,090.92

Finding the Fourth Proportional to 10,806.20, 14,913.78 and 6,090.92

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Solution

The fourth proportional to 10,806.20, 14,913.78 and 6,090.92 is: 8,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.20 : 14,913.78 = 6,090.92 : x
  2. Step 2: Convert to fraction form
    10,806.20/14,913.78 = 6,090.92/x
  3. Step 3: Cross multiply
    10,806.20x = 14,913.78 × 6,090.92
  4. Step 4: Simplify right side
    10,806.20x = 90,838,640.88
  5. Step 5: Solve for x
    x = 90,838,640.88/10,806.20
  6. Step 6: Final answer
    x = 8,406.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.