Home / 13,074.23-19,611.40-3,213.51

Finding the Fourth Proportional to 13,074.23, 19,611.40 and 3,213.51

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Solution

The fourth proportional to 13,074.23, 19,611.40 and 3,213.51 is: 4,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.23 : 19,611.40 = 3,213.51 : x
  2. Step 2: Convert to fraction form
    13,074.23/19,611.40 = 3,213.51/x
  3. Step 3: Cross multiply
    13,074.23x = 19,611.40 × 3,213.51
  4. Step 4: Simplify right side
    13,074.23x = 63,021,430.01
  5. Step 5: Solve for x
    x = 63,021,430.01/13,074.23
  6. Step 6: Final answer
    x = 4,820.28

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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.