Home / 16,779.80-25,173.30-5,094.20

Finding the Fourth Proportional to 16,779.80, 25,173.30 and 5,094.20

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Solution

The fourth proportional to 16,779.80, 25,173.30 and 5,094.20 is: 7,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.80 : 25,173.30 = 5,094.20 : x
  2. Step 2: Convert to fraction form
    16,779.80/25,173.30 = 5,094.20/x
  3. Step 3: Cross multiply
    16,779.80x = 25,173.30 × 5,094.20
  4. Step 4: Simplify right side
    16,779.80x = 128,237,824.86
  5. Step 5: Solve for x
    x = 128,237,824.86/16,779.80
  6. Step 6: Final answer
    x = 7,642.39

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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.