Home / 19,779.18-27,294.40-10,826.85

Finding the Fourth Proportional to 19,779.18, 27,294.40 and 10,826.85

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Solution

The fourth proportional to 19,779.18, 27,294.40 and 10,826.85 is: 14,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.18 : 27,294.40 = 10,826.85 : x
  2. Step 2: Convert to fraction form
    19,779.18/27,294.40 = 10,826.85/x
  3. Step 3: Cross multiply
    19,779.18x = 27,294.40 × 10,826.85
  4. Step 4: Simplify right side
    19,779.18x = 295,512,374.64
  5. Step 5: Solve for x
    x = 295,512,374.64/19,779.18
  6. Step 6: Final answer
    x = 14,940.58

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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.