Home / 19,860.53-29,790.77-5,069.45

Finding the Fourth Proportional to 19,860.53, 29,790.77 and 5,069.45

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Solution

The fourth proportional to 19,860.53, 29,790.77 and 5,069.45 is: 7,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.53 : 29,790.77 = 5,069.45 : x
  2. Step 2: Convert to fraction form
    19,860.53/29,790.77 = 5,069.45/x
  3. Step 3: Cross multiply
    19,860.53x = 29,790.77 × 5,069.45
  4. Step 4: Simplify right side
    19,860.53x = 151,022,644.68
  5. Step 5: Solve for x
    x = 151,022,644.68/19,860.53
  6. Step 6: Final answer
    x = 7,604.16

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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.