Home / 19,147.74-28,718.37-5,293.50

Finding the Fourth Proportional to 19,147.74, 28,718.37 and 5,293.50

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Solution

The fourth proportional to 19,147.74, 28,718.37 and 5,293.50 is: 7,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.74 : 28,718.37 = 5,293.50 : x
  2. Step 2: Convert to fraction form
    19,147.74/28,718.37 = 5,293.50/x
  3. Step 3: Cross multiply
    19,147.74x = 28,718.37 × 5,293.50
  4. Step 4: Simplify right side
    19,147.74x = 152,020,691.60
  5. Step 5: Solve for x
    x = 152,020,691.60/19,147.74
  6. Step 6: Final answer
    x = 7,939.35

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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.