Home / 19,109.45-28,665.45-5,069.27

Finding the Fourth Proportional to 19,109.45, 28,665.45 and 5,069.27

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Solution

The fourth proportional to 19,109.45, 28,665.45 and 5,069.27 is: 7,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.45 : 28,665.45 = 5,069.27 : x
  2. Step 2: Convert to fraction form
    19,109.45/28,665.45 = 5,069.27/x
  3. Step 3: Cross multiply
    19,109.45x = 28,665.45 × 5,069.27
  4. Step 4: Simplify right side
    19,109.45x = 145,312,762.39
  5. Step 5: Solve for x
    x = 145,312,762.39/19,109.45
  6. Step 6: Final answer
    x = 7,604.24

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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.