Home / 14,823.72-20,447.31-9,986.67

Finding the Fourth Proportional to 14,823.72, 20,447.31 and 9,986.67

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Solution

The fourth proportional to 14,823.72, 20,447.31 and 9,986.67 is: 13,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.72 : 20,447.31 = 9,986.67 : x
  2. Step 2: Convert to fraction form
    14,823.72/20,447.31 = 9,986.67/x
  3. Step 3: Cross multiply
    14,823.72x = 20,447.31 × 9,986.67
  4. Step 4: Simplify right side
    14,823.72x = 204,200,537.36
  5. Step 5: Solve for x
    x = 204,200,537.36/14,823.72
  6. Step 6: Final answer
    x = 13,775.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.