Home / 19,221.90-28,836.90-6,075.60

Finding the Fourth Proportional to 19,221.90, 28,836.90 and 6,075.60

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Solution

The fourth proportional to 19,221.90, 28,836.90 and 6,075.60 is: 9,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.90 : 28,836.90 = 6,075.60 : x
  2. Step 2: Convert to fraction form
    19,221.90/28,836.90 = 6,075.60/x
  3. Step 3: Cross multiply
    19,221.90x = 28,836.90 × 6,075.60
  4. Step 4: Simplify right side
    19,221.90x = 175,201,469.64
  5. Step 5: Solve for x
    x = 175,201,469.64/19,221.90
  6. Step 6: Final answer
    x = 9,114.68

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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.