Home / 13,162.64-19,740.60-3,926.48

Finding the Fourth Proportional to 13,162.64, 19,740.60 and 3,926.48

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Solution

The fourth proportional to 13,162.64, 19,740.60 and 3,926.48 is: 5,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162.64 : 19,740.60 = 3,926.48 : x
  2. Step 2: Convert to fraction form
    13,162.64/19,740.60 = 3,926.48/x
  3. Step 3: Cross multiply
    13,162.64x = 19,740.60 × 3,926.48
  4. Step 4: Simplify right side
    13,162.64x = 77,511,071.09
  5. Step 5: Solve for x
    x = 77,511,071.09/13,162.64
  6. Step 6: Final answer
    x = 5,888.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.