Home / 13,779.88-19,016.26-7,492.26

Finding the Fourth Proportional to 13,779.88, 19,016.26 and 7,492.26

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Solution

The fourth proportional to 13,779.88, 19,016.26 and 7,492.26 is: 10,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.88 : 19,016.26 = 7,492.26 : x
  2. Step 2: Convert to fraction form
    13,779.88/19,016.26 = 7,492.26/x
  3. Step 3: Cross multiply
    13,779.88x = 19,016.26 × 7,492.26
  4. Step 4: Simplify right side
    13,779.88x = 142,474,764.15
  5. Step 5: Solve for x
    x = 142,474,764.15/13,779.88
  6. Step 6: Final answer
    x = 10,339.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.