Home / 19,014.24-28,511.28-7,923.12

Finding the Fourth Proportional to 19,014.24, 28,511.28 and 7,923.12

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Solution

The fourth proportional to 19,014.24, 28,511.28 and 7,923.12 is: 11,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.24 : 28,511.28 = 7,923.12 : x
  2. Step 2: Convert to fraction form
    19,014.24/28,511.28 = 7,923.12/x
  3. Step 3: Cross multiply
    19,014.24x = 28,511.28 × 7,923.12
  4. Step 4: Simplify right side
    19,014.24x = 225,898,292.79
  5. Step 5: Solve for x
    x = 225,898,292.79/19,014.24
  6. Step 6: Final answer
    x = 11,880.48

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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.