Home / 19,299.06-28,941.30-8,210.97

Finding the Fourth Proportional to 19,299.06, 28,941.30 and 8,210.97

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Solution

The fourth proportional to 19,299.06, 28,941.30 and 8,210.97 is: 12,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.06 : 28,941.30 = 8,210.97 : x
  2. Step 2: Convert to fraction form
    19,299.06/28,941.30 = 8,210.97/x
  3. Step 3: Cross multiply
    19,299.06x = 28,941.30 × 8,210.97
  4. Step 4: Simplify right side
    19,299.06x = 237,636,146.06
  5. Step 5: Solve for x
    x = 237,636,146.06/19,299.06
  6. Step 6: Final answer
    x = 12,313.35

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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.