Home / 13,852.84-20,779.26-3,721.36

Finding the Fourth Proportional to 13,852.84, 20,779.26 and 3,721.36

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Solution

The fourth proportional to 13,852.84, 20,779.26 and 3,721.36 is: 5,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.84 : 20,779.26 = 3,721.36 : x
  2. Step 2: Convert to fraction form
    13,852.84/20,779.26 = 3,721.36/x
  3. Step 3: Cross multiply
    13,852.84x = 20,779.26 × 3,721.36
  4. Step 4: Simplify right side
    13,852.84x = 77,327,106.99
  5. Step 5: Solve for x
    x = 77,327,106.99/13,852.84
  6. Step 6: Final answer
    x = 5,582.04

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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.