Home / 14,812.36-20,438.82-9,507.88

Finding the Fourth Proportional to 14,812.36, 20,438.82 and 9,507.88

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Solution

The fourth proportional to 14,812.36, 20,438.82 and 9,507.88 is: 13,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812.36 : 20,438.82 = 9,507.88 : x
  2. Step 2: Convert to fraction form
    14,812.36/20,438.82 = 9,507.88/x
  3. Step 3: Cross multiply
    14,812.36x = 20,438.82 × 9,507.88
  4. Step 4: Simplify right side
    14,812.36x = 194,329,847.90
  5. Step 5: Solve for x
    x = 194,329,847.90/14,812.36
  6. Step 6: Final answer
    x = 13,119.44

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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.