Home / 19,521.20-29,285.87-7,835.33

Finding the Fourth Proportional to 19,521.20, 29,285.87 and 7,835.33

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Solution

The fourth proportional to 19,521.20, 29,285.87 and 7,835.33 is: 11,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.20 : 29,285.87 = 7,835.33 : x
  2. Step 2: Convert to fraction form
    19,521.20/29,285.87 = 7,835.33/x
  3. Step 3: Cross multiply
    19,521.20x = 29,285.87 × 7,835.33
  4. Step 4: Simplify right side
    19,521.20x = 229,464,489.83
  5. Step 5: Solve for x
    x = 229,464,489.83/19,521.20
  6. Step 6: Final answer
    x = 11,754.63

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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.