Home / 16,779.12-25,168.80-5,685.96

Finding the Fourth Proportional to 16,779.12, 25,168.80 and 5,685.96

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Solution

The fourth proportional to 16,779.12, 25,168.80 and 5,685.96 is: 8,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.12 : 25,168.80 = 5,685.96 : x
  2. Step 2: Convert to fraction form
    16,779.12/25,168.80 = 5,685.96/x
  3. Step 3: Cross multiply
    16,779.12x = 25,168.80 × 5,685.96
  4. Step 4: Simplify right side
    16,779.12x = 143,108,790.05
  5. Step 5: Solve for x
    x = 143,108,790.05/16,779.12
  6. Step 6: Final answer
    x = 8,528.98

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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.