Home / 19,985.79-29,993.31-9,604.83

Finding the Fourth Proportional to 19,985.79, 29,993.31 and 9,604.83

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Solution

The fourth proportional to 19,985.79, 29,993.31 and 9,604.83 is: 14,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.79 : 29,993.31 = 9,604.83 : x
  2. Step 2: Convert to fraction form
    19,985.79/29,993.31 = 9,604.83/x
  3. Step 3: Cross multiply
    19,985.79x = 29,993.31 × 9,604.83
  4. Step 4: Simplify right side
    19,985.79x = 288,080,643.69
  5. Step 5: Solve for x
    x = 288,080,643.69/19,985.79
  6. Step 6: Final answer
    x = 14,414.27

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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.