Home / 19,303.06-28,947.30-8,214.97

Finding the Fourth Proportional to 19,303.06, 28,947.30 and 8,214.97

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Solution

The fourth proportional to 19,303.06, 28,947.30 and 8,214.97 is: 12,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.06 : 28,947.30 = 8,214.97 : x
  2. Step 2: Convert to fraction form
    19,303.06/28,947.30 = 8,214.97/x
  3. Step 3: Cross multiply
    19,303.06x = 28,947.30 × 8,214.97
  4. Step 4: Simplify right side
    19,303.06x = 237,801,201.08
  5. Step 5: Solve for x
    x = 237,801,201.08/19,303.06
  6. Step 6: Final answer
    x = 12,319.35

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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.