Home / 10,180.65-15,271.44-2,784.95

Finding the Fourth Proportional to 10,180.65, 15,271.44 and 2,784.95

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Solution

The fourth proportional to 10,180.65, 15,271.44 and 2,784.95 is: 4,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.65 : 15,271.44 = 2,784.95 : x
  2. Step 2: Convert to fraction form
    10,180.65/15,271.44 = 2,784.95/x
  3. Step 3: Cross multiply
    10,180.65x = 15,271.44 × 2,784.95
  4. Step 4: Simplify right side
    10,180.65x = 42,530,196.83
  5. Step 5: Solve for x
    x = 42,530,196.83/10,180.65
  6. Step 6: Final answer
    x = 4,177.55

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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.