Home / 11,222.40-15,486.71-6,186.64

Finding the Fourth Proportional to 11,222.40, 15,486.71 and 6,186.64

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Solution

The fourth proportional to 11,222.40, 15,486.71 and 6,186.64 is: 8,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.40 : 15,486.71 = 6,186.64 : x
  2. Step 2: Convert to fraction form
    11,222.40/15,486.71 = 6,186.64/x
  3. Step 3: Cross multiply
    11,222.40x = 15,486.71 × 6,186.64
  4. Step 4: Simplify right side
    11,222.40x = 95,810,699.55
  5. Step 5: Solve for x
    x = 95,810,699.55/11,222.40
  6. Step 6: Final answer
    x = 8,537.45

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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.