Home / 19,367.37-29,034.05-12,779.64

Finding the Fourth Proportional to 19,367.37, 29,034.05 and 12,779.64

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Solution

The fourth proportional to 19,367.37, 29,034.05 and 12,779.64 is: 19,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.37 : 29,034.05 = 12,779.64 : x
  2. Step 2: Convert to fraction form
    19,367.37/29,034.05 = 12,779.64/x
  3. Step 3: Cross multiply
    19,367.37x = 29,034.05 × 12,779.64
  4. Step 4: Simplify right side
    19,367.37x = 371,044,642.84
  5. Step 5: Solve for x
    x = 371,044,642.84/19,367.37
  6. Step 6: Final answer
    x = 19,158.24

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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.