Home / 11,153.03-15,391.62-6,117.43

Finding the Fourth Proportional to 11,153.03, 15,391.62 and 6,117.43

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Solution

The fourth proportional to 11,153.03, 15,391.62 and 6,117.43 is: 8,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.03 : 15,391.62 = 6,117.43 : x
  2. Step 2: Convert to fraction form
    11,153.03/15,391.62 = 6,117.43/x
  3. Step 3: Cross multiply
    11,153.03x = 15,391.62 × 6,117.43
  4. Step 4: Simplify right side
    11,153.03x = 94,157,177.18
  5. Step 5: Solve for x
    x = 94,157,177.18/11,153.03
  6. Step 6: Final answer
    x = 8,442.30

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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.