Home / 19,246.35-28,896.05-13,308.65

Finding the Fourth Proportional to 19,246.35, 28,896.05 and 13,308.65

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Solution

The fourth proportional to 19,246.35, 28,896.05 and 13,308.65 is: 19,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.35 : 28,896.05 = 13,308.65 : x
  2. Step 2: Convert to fraction form
    19,246.35/28,896.05 = 13,308.65/x
  3. Step 3: Cross multiply
    19,246.35x = 28,896.05 × 13,308.65
  4. Step 4: Simplify right side
    19,246.35x = 384,567,415.83
  5. Step 5: Solve for x
    x = 384,567,415.83/19,246.35
  6. Step 6: Final answer
    x = 19,981.32

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1.5x scale

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.