Home / 16,779.34-25,154.43-6,911.79

Finding the Fourth Proportional to 16,779.34, 25,154.43 and 6,911.79

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Solution

The fourth proportional to 16,779.34, 25,154.43 and 6,911.79 is: 10,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.34 : 25,154.43 = 6,911.79 : x
  2. Step 2: Convert to fraction form
    16,779.34/25,154.43 = 6,911.79/x
  3. Step 3: Cross multiply
    16,779.34x = 25,154.43 × 6,911.79
  4. Step 4: Simplify right side
    16,779.34x = 173,862,137.73
  5. Step 5: Solve for x
    x = 173,862,137.73/16,779.34
  6. Step 6: Final answer
    x = 10,361.68

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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.