Home / 13,842.74-20,767.40-4,482.75

Finding the Fourth Proportional to 13,842.74, 20,767.40 and 4,482.75

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Solution

The fourth proportional to 13,842.74, 20,767.40 and 4,482.75 is: 6,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.74 : 20,767.40 = 4,482.75 : x
  2. Step 2: Convert to fraction form
    13,842.74/20,767.40 = 4,482.75/x
  3. Step 3: Cross multiply
    13,842.74x = 20,767.40 × 4,482.75
  4. Step 4: Simplify right side
    13,842.74x = 93,095,039.94
  5. Step 5: Solve for x
    x = 93,095,039.94/13,842.74
  6. Step 6: Final answer
    x = 6,725.19

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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.