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Finding the Fourth Proportional to 15,684.21, 23,511.72 and 6,914.34

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Solution

The fourth proportional to 15,684.21, 23,511.72 and 6,914.34 is: 10,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684.21 : 23,511.72 = 6,914.34 : x
  2. Step 2: Convert to fraction form
    15,684.21/23,511.72 = 6,914.34/x
  3. Step 3: Cross multiply
    15,684.21x = 23,511.72 × 6,914.34
  4. Step 4: Simplify right side
    15,684.21x = 162,568,026.06
  5. Step 5: Solve for x
    x = 162,568,026.06/15,684.21
  6. Step 6: Final answer
    x = 10,365.08

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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.