Home / 19,265.36-28,889.83-7,570.38

Finding the Fourth Proportional to 19,265.36, 28,889.83 and 7,570.38

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Solution

The fourth proportional to 19,265.36, 28,889.83 and 7,570.38 is: 11,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.36 : 28,889.83 = 7,570.38 : x
  2. Step 2: Convert to fraction form
    19,265.36/28,889.83 = 7,570.38/x
  3. Step 3: Cross multiply
    19,265.36x = 28,889.83 × 7,570.38
  4. Step 4: Simplify right side
    19,265.36x = 218,706,991.24
  5. Step 5: Solve for x
    x = 218,706,991.24/19,265.36
  6. Step 6: Final answer
    x = 11,352.34

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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.