Home / 10,065.90-15,081.69-6,550.56

Finding the Fourth Proportional to 10,065.90, 15,081.69 and 6,550.56

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Solution

The fourth proportional to 10,065.90, 15,081.69 and 6,550.56 is: 9,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.90 : 15,081.69 = 6,550.56 : x
  2. Step 2: Convert to fraction form
    10,065.90/15,081.69 = 6,550.56/x
  3. Step 3: Cross multiply
    10,065.90x = 15,081.69 × 6,550.56
  4. Step 4: Simplify right side
    10,065.90x = 98,793,515.25
  5. Step 5: Solve for x
    x = 98,793,515.25/10,065.90
  6. Step 6: Final answer
    x = 9,814.67

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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.