Home / 11,818.02-16,308.54-6,512.84

Finding the Fourth Proportional to 11,818.02, 16,308.54 and 6,512.84

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Solution

The fourth proportional to 11,818.02, 16,308.54 and 6,512.84 is: 8,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.02 : 16,308.54 = 6,512.84 : x
  2. Step 2: Convert to fraction form
    11,818.02/16,308.54 = 6,512.84/x
  3. Step 3: Cross multiply
    11,818.02x = 16,308.54 × 6,512.84
  4. Step 4: Simplify right side
    11,818.02x = 106,214,830.11
  5. Step 5: Solve for x
    x = 106,214,830.11/11,818.02
  6. Step 6: Final answer
    x = 8,987.53

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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.