Home / 19,860.48-29,790.69-5,069.40

Finding the Fourth Proportional to 19,860.48, 29,790.69 and 5,069.40

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Solution

The fourth proportional to 19,860.48, 29,790.69 and 5,069.40 is: 7,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.48 : 29,790.69 = 5,069.40 : x
  2. Step 2: Convert to fraction form
    19,860.48/29,790.69 = 5,069.40/x
  3. Step 3: Cross multiply
    19,860.48x = 29,790.69 × 5,069.40
  4. Step 4: Simplify right side
    19,860.48x = 151,020,942.90
  5. Step 5: Solve for x
    x = 151,020,942.90/19,860.48
  6. Step 6: Final answer
    x = 7,604.09

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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.