Home / 12,715.96-19,051.07-11,965.67

Finding the Fourth Proportional to 12,715.96, 19,051.07 and 11,965.67

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Solution

The fourth proportional to 12,715.96, 19,051.07 and 11,965.67 is: 17,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.96 : 19,051.07 = 11,965.67 : x
  2. Step 2: Convert to fraction form
    12,715.96/19,051.07 = 11,965.67/x
  3. Step 3: Cross multiply
    12,715.96x = 19,051.07 × 11,965.67
  4. Step 4: Simplify right side
    12,715.96x = 227,958,840.29
  5. Step 5: Solve for x
    x = 227,958,840.29/12,715.96
  6. Step 6: Final answer
    x = 17,926.99

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1.5x scale

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.