Home / 14,668.12-20,238.42-8,701.30

Finding the Fourth Proportional to 14,668.12, 20,238.42 and 8,701.30

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Solution

The fourth proportional to 14,668.12, 20,238.42 and 8,701.30 is: 12,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.12 : 20,238.42 = 8,701.30 : x
  2. Step 2: Convert to fraction form
    14,668.12/20,238.42 = 8,701.30/x
  3. Step 3: Cross multiply
    14,668.12x = 20,238.42 × 8,701.30
  4. Step 4: Simplify right side
    14,668.12x = 176,100,563.95
  5. Step 5: Solve for x
    x = 176,100,563.95/14,668.12
  6. Step 6: Final answer
    x = 12,005.67

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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.