Home / 11,681.46-17,521.56-3,783.83

Finding the Fourth Proportional to 11,681.46, 17,521.56 and 3,783.83

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Solution

The fourth proportional to 11,681.46, 17,521.56 and 3,783.83 is: 5,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.46 : 17,521.56 = 3,783.83 : x
  2. Step 2: Convert to fraction form
    11,681.46/17,521.56 = 3,783.83/x
  3. Step 3: Cross multiply
    11,681.46x = 17,521.56 × 3,783.83
  4. Step 4: Simplify right side
    11,681.46x = 66,298,516.77
  5. Step 5: Solve for x
    x = 66,298,516.77/11,681.46
  6. Step 6: Final answer
    x = 5,675.53

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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.