Home / 20,634.63-28,493.25-13,094.34

Finding the Fourth Proportional to 20,634.63, 28,493.25 and 13,094.34

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Solution

The fourth proportional to 20,634.63, 28,493.25 and 13,094.34 is: 18,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.63 : 28,493.25 = 13,094.34 : x
  2. Step 2: Convert to fraction form
    20,634.63/28,493.25 = 13,094.34/x
  3. Step 3: Cross multiply
    20,634.63x = 28,493.25 × 13,094.34
  4. Step 4: Simplify right side
    20,634.63x = 373,100,303.21
  5. Step 5: Solve for x
    x = 373,100,303.21/20,634.63
  6. Step 6: Final answer
    x = 18,081.27

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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.