Home / 11,155.02-15,394.91-6,120.22

Finding the Fourth Proportional to 11,155.02, 15,394.91 and 6,120.22

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Solution

The fourth proportional to 11,155.02, 15,394.91 and 6,120.22 is: 8,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.02 : 15,394.91 = 6,120.22 : x
  2. Step 2: Convert to fraction form
    11,155.02/15,394.91 = 6,120.22/x
  3. Step 3: Cross multiply
    11,155.02x = 15,394.91 × 6,120.22
  4. Step 4: Simplify right side
    11,155.02x = 94,220,236.08
  5. Step 5: Solve for x
    x = 94,220,236.08/11,155.02
  6. Step 6: Final answer
    x = 8,446.44

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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.