Home / 19,075.43-28,619.37-9,215.84

Finding the Fourth Proportional to 19,075.43, 28,619.37 and 9,215.84

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Solution

The fourth proportional to 19,075.43, 28,619.37 and 9,215.84 is: 13,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.43 : 28,619.37 = 9,215.84 : x
  2. Step 2: Convert to fraction form
    19,075.43/28,619.37 = 9,215.84/x
  3. Step 3: Cross multiply
    19,075.43x = 28,619.37 × 9,215.84
  4. Step 4: Simplify right side
    19,075.43x = 263,751,534.82
  5. Step 5: Solve for x
    x = 263,751,534.82/19,075.43
  6. Step 6: Final answer
    x = 13,826.77

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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.