Home / 18,779.02-28,146.04-8,770.26

Finding the Fourth Proportional to 18,779.02, 28,146.04 and 8,770.26

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Solution

The fourth proportional to 18,779.02, 28,146.04 and 8,770.26 is: 13,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779.02 : 28,146.04 = 8,770.26 : x
  2. Step 2: Convert to fraction form
    18,779.02/28,146.04 = 8,770.26/x
  3. Step 3: Cross multiply
    18,779.02x = 28,146.04 × 8,770.26
  4. Step 4: Simplify right side
    18,779.02x = 246,848,088.77
  5. Step 5: Solve for x
    x = 246,848,088.77/18,779.02
  6. Step 6: Final answer
    x = 13,144.89

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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.