Home / 12,779.01-19,162.44-4,458.02

Finding the Fourth Proportional to 12,779.01, 19,162.44 and 4,458.02

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Solution

The fourth proportional to 12,779.01, 19,162.44 and 4,458.02 is: 6,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779.01 : 19,162.44 = 4,458.02 : x
  2. Step 2: Convert to fraction form
    12,779.01/19,162.44 = 4,458.02/x
  3. Step 3: Cross multiply
    12,779.01x = 19,162.44 × 4,458.02
  4. Step 4: Simplify right side
    12,779.01x = 85,426,540.77
  5. Step 5: Solve for x
    x = 85,426,540.77/12,779.01
  6. Step 6: Final answer
    x = 6,684.91

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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.