Home / 20,544.42-30,810.48-10,678.32

Finding the Fourth Proportional to 20,544.42, 30,810.48 and 10,678.32

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Solution

The fourth proportional to 20,544.42, 30,810.48 and 10,678.32 is: 16,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.42 : 30,810.48 = 10,678.32 : x
  2. Step 2: Convert to fraction form
    20,544.42/30,810.48 = 10,678.32/x
  3. Step 3: Cross multiply
    20,544.42x = 30,810.48 × 10,678.32
  4. Step 4: Simplify right side
    20,544.42x = 329,004,164.79
  5. Step 5: Solve for x
    x = 329,004,164.79/20,544.42
  6. Step 6: Final answer
    x = 16,014.28

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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.