Home / 19,779.03-27,294.93-10,826.46

Finding the Fourth Proportional to 19,779.03, 27,294.93 and 10,826.46

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Solution

The fourth proportional to 19,779.03, 27,294.93 and 10,826.46 is: 14,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.03 : 27,294.93 = 10,826.46 : x
  2. Step 2: Convert to fraction form
    19,779.03/27,294.93 = 10,826.46/x
  3. Step 3: Cross multiply
    19,779.03x = 27,294.93 × 10,826.46
  4. Step 4: Simplify right side
    19,779.03x = 295,507,467.85
  5. Step 5: Solve for x
    x = 295,507,467.85/19,779.03
  6. Step 6: Final answer
    x = 14,940.44

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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.