Home / 19,102.18-28,653.46-5,775.28

Finding the Fourth Proportional to 19,102.18, 28,653.46 and 5,775.28

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Solution

The fourth proportional to 19,102.18, 28,653.46 and 5,775.28 is: 8,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.18 : 28,653.46 = 5,775.28 : x
  2. Step 2: Convert to fraction form
    19,102.18/28,653.46 = 5,775.28/x
  3. Step 3: Cross multiply
    19,102.18x = 28,653.46 × 5,775.28
  4. Step 4: Simplify right side
    19,102.18x = 165,481,754.47
  5. Step 5: Solve for x
    x = 165,481,754.47/19,102.18
  6. Step 6: Final answer
    x = 8,662.98

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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.