Home / 17,142.28-23,655.70-9,690.44

Finding the Fourth Proportional to 17,142.28, 23,655.70 and 9,690.44

Calculator

Solution

The fourth proportional to 17,142.28, 23,655.70 and 9,690.44 is: 13,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.28 : 23,655.70 = 9,690.44 : x
  2. Step 2: Convert to fraction form
    17,142.28/23,655.70 = 9,690.44/x
  3. Step 3: Cross multiply
    17,142.28x = 23,655.70 × 9,690.44
  4. Step 4: Simplify right side
    17,142.28x = 229,234,141.51
  5. Step 5: Solve for x
    x = 229,234,141.51/17,142.28
  6. Step 6: Final answer
    x = 13,372.44

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.