Home / 20,554.08-30,809.24-10,683.42

Finding the Fourth Proportional to 20,554.08, 30,809.24 and 10,683.42

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Solution

The fourth proportional to 20,554.08, 30,809.24 and 10,683.42 is: 16,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.08 : 30,809.24 = 10,683.42 : x
  2. Step 2: Convert to fraction form
    20,554.08/30,809.24 = 10,683.42/x
  3. Step 3: Cross multiply
    20,554.08x = 30,809.24 × 10,683.42
  4. Step 4: Simplify right side
    20,554.08x = 329,148,050.80
  5. Step 5: Solve for x
    x = 329,148,050.80/20,554.08
  6. Step 6: Final answer
    x = 16,013.76

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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.