Home / 11,803.69-16,289.21-6,498.60

Finding the Fourth Proportional to 11,803.69, 16,289.21 and 6,498.60

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Solution

The fourth proportional to 11,803.69, 16,289.21 and 6,498.60 is: 8,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.69 : 16,289.21 = 6,498.60 : x
  2. Step 2: Convert to fraction form
    11,803.69/16,289.21 = 6,498.60/x
  3. Step 3: Cross multiply
    11,803.69x = 16,289.21 × 6,498.60
  4. Step 4: Simplify right side
    11,803.69x = 105,857,060.11
  5. Step 5: Solve for x
    x = 105,857,060.11/11,803.69
  6. Step 6: Final answer
    x = 8,968.13

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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.