Home / 19,314.12-28,977.03-8,074.92

Finding the Fourth Proportional to 19,314.12, 28,977.03 and 8,074.92

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Solution

The fourth proportional to 19,314.12, 28,977.03 and 8,074.92 is: 12,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.12 : 28,977.03 = 8,074.92 : x
  2. Step 2: Convert to fraction form
    19,314.12/28,977.03 = 8,074.92/x
  3. Step 3: Cross multiply
    19,314.12x = 28,977.03 × 8,074.92
  4. Step 4: Simplify right side
    19,314.12x = 233,987,199.09
  5. Step 5: Solve for x
    x = 233,987,199.09/19,314.12
  6. Step 6: Final answer
    x = 12,114.83

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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.