Home / 11,644.02-16,069.05-6,339.20

Finding the Fourth Proportional to 11,644.02, 16,069.05 and 6,339.20

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Solution

The fourth proportional to 11,644.02, 16,069.05 and 6,339.20 is: 8,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.02 : 16,069.05 = 6,339.20 : x
  2. Step 2: Convert to fraction form
    11,644.02/16,069.05 = 6,339.20/x
  3. Step 3: Cross multiply
    11,644.02x = 16,069.05 × 6,339.20
  4. Step 4: Simplify right side
    11,644.02x = 101,864,841.41
  5. Step 5: Solve for x
    x = 101,864,841.41/11,644.02
  6. Step 6: Final answer
    x = 8,748.25

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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.