Home / 19,992.24-29,993.40-8,303.04

Finding the Fourth Proportional to 19,992.24, 29,993.40 and 8,303.04

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Solution

The fourth proportional to 19,992.24, 29,993.40 and 8,303.04 is: 12,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.24 : 29,993.40 = 8,303.04 : x
  2. Step 2: Convert to fraction form
    19,992.24/29,993.40 = 8,303.04/x
  3. Step 3: Cross multiply
    19,992.24x = 29,993.40 × 8,303.04
  4. Step 4: Simplify right side
    19,992.24x = 249,036,399.94
  5. Step 5: Solve for x
    x = 249,036,399.94/19,992.24
  6. Step 6: Final answer
    x = 12,456.65

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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.