Home / 13,478.00-20,218.26-4,590.36

Finding the Fourth Proportional to 13,478.00, 20,218.26 and 4,590.36

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Solution

The fourth proportional to 13,478.00, 20,218.26 and 4,590.36 is: 6,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.00 : 20,218.26 = 4,590.36 : x
  2. Step 2: Convert to fraction form
    13,478.00/20,218.26 = 4,590.36/x
  3. Step 3: Cross multiply
    13,478.00x = 20,218.26 × 4,590.36
  4. Step 4: Simplify right side
    13,478.00x = 92,809,091.97
  5. Step 5: Solve for x
    x = 92,809,091.97/13,478.00
  6. Step 6: Final answer
    x = 6,885.97

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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.