Home / 19,140.51-28,710.77-5,993.91

Finding the Fourth Proportional to 19,140.51, 28,710.77 and 5,993.91

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Solution

The fourth proportional to 19,140.51, 28,710.77 and 5,993.91 is: 8,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.51 : 28,710.77 = 5,993.91 : x
  2. Step 2: Convert to fraction form
    19,140.51/28,710.77 = 5,993.91/x
  3. Step 3: Cross multiply
    19,140.51x = 28,710.77 × 5,993.91
  4. Step 4: Simplify right side
    19,140.51x = 172,089,741.44
  5. Step 5: Solve for x
    x = 172,089,741.44/19,140.51
  6. Step 6: Final answer
    x = 8,990.87

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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.