Home / 19,860.84-29,790.62-5,069.70

Finding the Fourth Proportional to 19,860.84, 29,790.62 and 5,069.70

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Solution

The fourth proportional to 19,860.84, 29,790.62 and 5,069.70 is: 7,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.84 : 29,790.62 = 5,069.70 : x
  2. Step 2: Convert to fraction form
    19,860.84/29,790.62 = 5,069.70/x
  3. Step 3: Cross multiply
    19,860.84x = 29,790.62 × 5,069.70
  4. Step 4: Simplify right side
    19,860.84x = 151,029,506.21
  5. Step 5: Solve for x
    x = 151,029,506.21/19,860.84
  6. Step 6: Final answer
    x = 7,604.39

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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.