Home / 14,710.30-20,250.68-13,217.67

Finding the Fourth Proportional to 14,710.30, 20,250.68 and 13,217.67

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Solution

The fourth proportional to 14,710.30, 20,250.68 and 13,217.67 is: 18,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.30 : 20,250.68 = 13,217.67 : x
  2. Step 2: Convert to fraction form
    14,710.30/20,250.68 = 13,217.67/x
  3. Step 3: Cross multiply
    14,710.30x = 20,250.68 × 13,217.67
  4. Step 4: Simplify right side
    14,710.30x = 267,666,739.43
  5. Step 5: Solve for x
    x = 267,666,739.43/14,710.30
  6. Step 6: Final answer
    x = 18,195.88

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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.