Home / 10,380.52-15,570.37-2,984.95

Finding the Fourth Proportional to 10,380.52, 15,570.37 and 2,984.95

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Solution

The fourth proportional to 10,380.52, 15,570.37 and 2,984.95 is: 4,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.52 : 15,570.37 = 2,984.95 : x
  2. Step 2: Convert to fraction form
    10,380.52/15,570.37 = 2,984.95/x
  3. Step 3: Cross multiply
    10,380.52x = 15,570.37 × 2,984.95
  4. Step 4: Simplify right side
    10,380.52x = 46,476,775.93
  5. Step 5: Solve for x
    x = 46,476,775.93/10,380.52
  6. Step 6: Final answer
    x = 4,477.31

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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.