Home / 19,075.74-28,614.42-7,228.32

Finding the Fourth Proportional to 19,075.74, 28,614.42 and 7,228.32

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Solution

The fourth proportional to 19,075.74, 28,614.42 and 7,228.32 is: 10,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.74 : 28,614.42 = 7,228.32 : x
  2. Step 2: Convert to fraction form
    19,075.74/28,614.42 = 7,228.32/x
  3. Step 3: Cross multiply
    19,075.74x = 28,614.42 × 7,228.32
  4. Step 4: Simplify right side
    19,075.74x = 206,834,184.37
  5. Step 5: Solve for x
    x = 206,834,184.37/19,075.74
  6. Step 6: Final answer
    x = 10,842.79

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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.