Home / 9,789.76-14,686.44-3,216.28

Finding the Fourth Proportional to 9,789.76, 14,686.44 and 3,216.28

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Solution

The fourth proportional to 9,789.76, 14,686.44 and 3,216.28 is: 4,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.76 : 14,686.44 = 3,216.28 : x
  2. Step 2: Convert to fraction form
    9,789.76/14,686.44 = 3,216.28/x
  3. Step 3: Cross multiply
    9,789.76x = 14,686.44 × 3,216.28
  4. Step 4: Simplify right side
    9,789.76x = 47,235,703.24
  5. Step 5: Solve for x
    x = 47,235,703.24/9,789.76
  6. Step 6: Final answer
    x = 4,825.01

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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.