Home / 11,002.02-15,182.58-6,221.88

Finding the Fourth Proportional to 11,002.02, 15,182.58 and 6,221.88

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Solution

The fourth proportional to 11,002.02, 15,182.58 and 6,221.88 is: 8,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.02 : 15,182.58 = 6,221.88 : x
  2. Step 2: Convert to fraction form
    11,002.02/15,182.58 = 6,221.88/x
  3. Step 3: Cross multiply
    11,002.02x = 15,182.58 × 6,221.88
  4. Step 4: Simplify right side
    11,002.02x = 94,464,190.85
  5. Step 5: Solve for x
    x = 94,464,190.85/11,002.02
  6. Step 6: Final answer
    x = 8,586.08

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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.