Home / 19,130.88-28,704.97-9,766.07

Finding the Fourth Proportional to 19,130.88, 28,704.97 and 9,766.07

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Solution

The fourth proportional to 19,130.88, 28,704.97 and 9,766.07 is: 14,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.88 : 28,704.97 = 9,766.07 : x
  2. Step 2: Convert to fraction form
    19,130.88/28,704.97 = 9,766.07/x
  3. Step 3: Cross multiply
    19,130.88x = 28,704.97 × 9,766.07
  4. Step 4: Simplify right side
    19,130.88x = 280,334,602.84
  5. Step 5: Solve for x
    x = 280,334,602.84/19,130.88
  6. Step 6: Final answer
    x = 14,653.51

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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.