Home / 19,134.73-28,705.07-9,769.67

Finding the Fourth Proportional to 19,134.73, 28,705.07 and 9,769.67

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Solution

The fourth proportional to 19,134.73, 28,705.07 and 9,769.67 is: 14,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.73 : 28,705.07 = 9,769.67 : x
  2. Step 2: Convert to fraction form
    19,134.73/28,705.07 = 9,769.67/x
  3. Step 3: Cross multiply
    19,134.73x = 28,705.07 × 9,769.67
  4. Step 4: Simplify right side
    19,134.73x = 280,439,061.23
  5. Step 5: Solve for x
    x = 280,439,061.23/19,134.73
  6. Step 6: Final answer
    x = 14,656.02

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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.