Home / 14,381.54-21,574.97-5,615.92

Finding the Fourth Proportional to 14,381.54, 21,574.97 and 5,615.92

Calculator

Solution

The fourth proportional to 14,381.54, 21,574.97 and 5,615.92 is: 8,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.54 : 21,574.97 = 5,615.92 : x
  2. Step 2: Convert to fraction form
    14,381.54/21,574.97 = 5,615.92/x
  3. Step 3: Cross multiply
    14,381.54x = 21,574.97 × 5,615.92
  4. Step 4: Simplify right side
    14,381.54x = 121,163,305.52
  5. Step 5: Solve for x
    x = 121,163,305.52/14,381.54
  6. Step 6: Final answer
    x = 8,424.92

Related Problems

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.