Home / 19,215.05-26,529.12-12,054.79

Finding the Fourth Proportional to 19,215.05, 26,529.12 and 12,054.79

Calculator

Solution

The fourth proportional to 19,215.05, 26,529.12 and 12,054.79 is: 16,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.05 : 26,529.12 = 12,054.79 : x
  2. Step 2: Convert to fraction form
    19,215.05/26,529.12 = 12,054.79/x
  3. Step 3: Cross multiply
    19,215.05x = 26,529.12 × 12,054.79
  4. Step 4: Simplify right side
    19,215.05x = 319,802,970.48
  5. Step 5: Solve for x
    x = 319,802,970.48/19,215.05
  6. Step 6: Final answer
    x = 16,643.36

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.