Home / 19,860.43-29,790.63-5,069.35

Finding the Fourth Proportional to 19,860.43, 29,790.63 and 5,069.35

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Solution

The fourth proportional to 19,860.43, 29,790.63 and 5,069.35 is: 7,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.43 : 29,790.63 = 5,069.35 : x
  2. Step 2: Convert to fraction form
    19,860.43/29,790.63 = 5,069.35/x
  3. Step 3: Cross multiply
    19,860.43x = 29,790.63 × 5,069.35
  4. Step 4: Simplify right side
    19,860.43x = 151,019,130.19
  5. Step 5: Solve for x
    x = 151,019,130.19/19,860.43
  6. Step 6: Final answer
    x = 7,604.02

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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.