Home / 9,789.44-14,686.41-3,215.48

Finding the Fourth Proportional to 9,789.44, 14,686.41 and 3,215.48

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Solution

The fourth proportional to 9,789.44, 14,686.41 and 3,215.48 is: 4,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.44 : 14,686.41 = 3,215.48 : x
  2. Step 2: Convert to fraction form
    9,789.44/14,686.41 = 3,215.48/x
  3. Step 3: Cross multiply
    9,789.44x = 14,686.41 × 3,215.48
  4. Step 4: Simplify right side
    9,789.44x = 47,223,784.19
  5. Step 5: Solve for x
    x = 47,223,784.19/9,789.44
  6. Step 6: Final answer
    x = 4,823.95

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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.