Home / 19,289.35-26,618.23-10,789.83

Finding the Fourth Proportional to 19,289.35, 26,618.23 and 10,789.83

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Solution

The fourth proportional to 19,289.35, 26,618.23 and 10,789.83 is: 14,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.35 : 26,618.23 = 10,789.83 : x
  2. Step 2: Convert to fraction form
    19,289.35/26,618.23 = 10,789.83/x
  3. Step 3: Cross multiply
    19,289.35x = 26,618.23 × 10,789.83
  4. Step 4: Simplify right side
    19,289.35x = 287,206,129.40
  5. Step 5: Solve for x
    x = 287,206,129.40/19,289.35
  6. Step 6: Final answer
    x = 14,889.36

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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.