Home / 19,148.57-28,723.31-7,300.80

Finding the Fourth Proportional to 19,148.57, 28,723.31 and 7,300.80

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Solution

The fourth proportional to 19,148.57, 28,723.31 and 7,300.80 is: 10,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.57 : 28,723.31 = 7,300.80 : x
  2. Step 2: Convert to fraction form
    19,148.57/28,723.31 = 7,300.80/x
  3. Step 3: Cross multiply
    19,148.57x = 28,723.31 × 7,300.80
  4. Step 4: Simplify right side
    19,148.57x = 209,703,132.52
  5. Step 5: Solve for x
    x = 209,703,132.52/19,148.57
  6. Step 6: Final answer
    x = 10,951.37

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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.