Home / 19,119.49-28,675.90-5,265.25

Finding the Fourth Proportional to 19,119.49, 28,675.90 and 5,265.25

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Solution

The fourth proportional to 19,119.49, 28,675.90 and 5,265.25 is: 7,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.49 : 28,675.90 = 5,265.25 : x
  2. Step 2: Convert to fraction form
    19,119.49/28,675.90 = 5,265.25/x
  3. Step 3: Cross multiply
    19,119.49x = 28,675.90 × 5,265.25
  4. Step 4: Simplify right side
    19,119.49x = 150,985,782.48
  5. Step 5: Solve for x
    x = 150,985,782.48/19,119.49
  6. Step 6: Final answer
    x = 7,896.96

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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.