Home / 19,206.10-28,779.99-9,342.73

Finding the Fourth Proportional to 19,206.10, 28,779.99 and 9,342.73

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Solution

The fourth proportional to 19,206.10, 28,779.99 and 9,342.73 is: 13,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.10 : 28,779.99 = 9,342.73 : x
  2. Step 2: Convert to fraction form
    19,206.10/28,779.99 = 9,342.73/x
  3. Step 3: Cross multiply
    19,206.10x = 28,779.99 × 9,342.73
  4. Step 4: Simplify right side
    19,206.10x = 268,883,675.97
  5. Step 5: Solve for x
    x = 268,883,675.97/19,206.10
  6. Step 6: Final answer
    x = 13,999.91

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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.