Home / 11,186.15-15,436.98-6,150.40

Finding the Fourth Proportional to 11,186.15, 15,436.98 and 6,150.40

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Solution

The fourth proportional to 11,186.15, 15,436.98 and 6,150.40 is: 8,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.15 : 15,436.98 = 6,150.40 : x
  2. Step 2: Convert to fraction form
    11,186.15/15,436.98 = 6,150.40/x
  3. Step 3: Cross multiply
    11,186.15x = 15,436.98 × 6,150.40
  4. Step 4: Simplify right side
    11,186.15x = 94,943,563.20
  5. Step 5: Solve for x
    x = 94,943,563.20/11,186.15
  6. Step 6: Final answer
    x = 8,487.60

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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.