Home / 11,803.95-16,289.37-6,498.78

Finding the Fourth Proportional to 11,803.95, 16,289.37 and 6,498.78

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Solution

The fourth proportional to 11,803.95, 16,289.37 and 6,498.78 is: 8,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.95 : 16,289.37 = 6,498.78 : x
  2. Step 2: Convert to fraction form
    11,803.95/16,289.37 = 6,498.78/x
  3. Step 3: Cross multiply
    11,803.95x = 16,289.37 × 6,498.78
  4. Step 4: Simplify right side
    11,803.95x = 105,861,031.97
  5. Step 5: Solve for x
    x = 105,861,031.97/11,803.95
  6. Step 6: Final answer
    x = 8,968.27

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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.