Home / 13,703.09-20,554.46-3,314.75

Finding the Fourth Proportional to 13,703.09, 20,554.46 and 3,314.75

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Solution

The fourth proportional to 13,703.09, 20,554.46 and 3,314.75 is: 4,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.09 : 20,554.46 = 3,314.75 : x
  2. Step 2: Convert to fraction form
    13,703.09/20,554.46 = 3,314.75/x
  3. Step 3: Cross multiply
    13,703.09x = 20,554.46 × 3,314.75
  4. Step 4: Simplify right side
    13,703.09x = 68,132,879.71
  5. Step 5: Solve for x
    x = 68,132,879.71/13,703.09
  6. Step 6: Final answer
    x = 4,972.08

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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.