Home / 12,475.84-17,217.84-7,173.76

Finding the Fourth Proportional to 12,475.84, 17,217.84 and 7,173.76

Calculator

Solution

The fourth proportional to 12,475.84, 17,217.84 and 7,173.76 is: 9,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.84 : 17,217.84 = 7,173.76 : x
  2. Step 2: Convert to fraction form
    12,475.84/17,217.84 = 7,173.76/x
  3. Step 3: Cross multiply
    12,475.84x = 17,217.84 × 7,173.76
  4. Step 4: Simplify right side
    12,475.84x = 123,516,651.88
  5. Step 5: Solve for x
    x = 123,516,651.88/12,475.84
  6. Step 6: Final answer
    x = 9,900.47

Related Problems

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.