Home / 10,816.78-16,226.32-4,577.42

Finding the Fourth Proportional to 10,816.78, 16,226.32 and 4,577.42

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Solution

The fourth proportional to 10,816.78, 16,226.32 and 4,577.42 is: 6,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.78 : 16,226.32 = 4,577.42 : x
  2. Step 2: Convert to fraction form
    10,816.78/16,226.32 = 4,577.42/x
  3. Step 3: Cross multiply
    10,816.78x = 16,226.32 × 4,577.42
  4. Step 4: Simplify right side
    10,816.78x = 74,274,681.69
  5. Step 5: Solve for x
    x = 74,274,681.69/10,816.78
  6. Step 6: Final answer
    x = 6,866.62

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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.