Home / 11,841.12-17,749.80-7,683.84

Finding the Fourth Proportional to 11,841.12, 17,749.80 and 7,683.84

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Solution

The fourth proportional to 11,841.12, 17,749.80 and 7,683.84 is: 11,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.12 : 17,749.80 = 7,683.84 : x
  2. Step 2: Convert to fraction form
    11,841.12/17,749.80 = 7,683.84/x
  3. Step 3: Cross multiply
    11,841.12x = 17,749.80 × 7,683.84
  4. Step 4: Simplify right side
    11,841.12x = 136,386,623.23
  5. Step 5: Solve for x
    x = 136,386,623.23/11,841.12
  6. Step 6: Final answer
    x = 11,518.05

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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.