Home / 19,004.46-28,512.84-9,142.46

Finding the Fourth Proportional to 19,004.46, 28,512.84 and 9,142.46

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Solution

The fourth proportional to 19,004.46, 28,512.84 and 9,142.46 is: 13,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.46 : 28,512.84 = 9,142.46 : x
  2. Step 2: Convert to fraction form
    19,004.46/28,512.84 = 9,142.46/x
  3. Step 3: Cross multiply
    19,004.46x = 28,512.84 × 9,142.46
  4. Step 4: Simplify right side
    19,004.46x = 260,677,499.19
  5. Step 5: Solve for x
    x = 260,677,499.19/19,004.46
  6. Step 6: Final answer
    x = 13,716.65

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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.