Home / 13,905.01-20,859.79-4,542.31

Finding the Fourth Proportional to 13,905.01, 20,859.79 and 4,542.31

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Solution

The fourth proportional to 13,905.01, 20,859.79 and 4,542.31 is: 6,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.01 : 20,859.79 = 4,542.31 : x
  2. Step 2: Convert to fraction form
    13,905.01/20,859.79 = 4,542.31/x
  3. Step 3: Cross multiply
    13,905.01x = 20,859.79 × 4,542.31
  4. Step 4: Simplify right side
    13,905.01x = 94,751,557.85
  5. Step 5: Solve for x
    x = 94,751,557.85/13,905.01
  6. Step 6: Final answer
    x = 6,814.20

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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.