Home / 19,240.64-28,863.84-6,758.46

Finding the Fourth Proportional to 19,240.64, 28,863.84 and 6,758.46

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Solution

The fourth proportional to 19,240.64, 28,863.84 and 6,758.46 is: 10,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.64 : 28,863.84 = 6,758.46 : x
  2. Step 2: Convert to fraction form
    19,240.64/28,863.84 = 6,758.46/x
  3. Step 3: Cross multiply
    19,240.64x = 28,863.84 × 6,758.46
  4. Step 4: Simplify right side
    19,240.64x = 195,075,108.09
  5. Step 5: Solve for x
    x = 195,075,108.09/19,240.64
  6. Step 6: Final answer
    x = 10,138.70

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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.