Home / 11,327.07-15,631.70-6,851.64

Finding the Fourth Proportional to 11,327.07, 15,631.70 and 6,851.64

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Solution

The fourth proportional to 11,327.07, 15,631.70 and 6,851.64 is: 9,455.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.07 : 15,631.70 = 6,851.64 : x
  2. Step 2: Convert to fraction form
    11,327.07/15,631.70 = 6,851.64/x
  3. Step 3: Cross multiply
    11,327.07x = 15,631.70 × 6,851.64
  4. Step 4: Simplify right side
    11,327.07x = 107,102,746.73
  5. Step 5: Solve for x
    x = 107,102,746.73/11,327.07
  6. Step 6: Final answer
    x = 9,455.47

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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.