Home / 21,159.74-29,199.42-12,210.12

Finding the Fourth Proportional to 21,159.74, 29,199.42 and 12,210.12

Calculator

Solution

The fourth proportional to 21,159.74, 29,199.42 and 12,210.12 is: 16,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,159.74 : 29,199.42 = 12,210.12 : x
  2. Step 2: Convert to fraction form
    21,159.74/29,199.42 = 12,210.12/x
  3. Step 3: Cross multiply
    21,159.74x = 29,199.42 × 12,210.12
  4. Step 4: Simplify right side
    21,159.74x = 356,528,422.13
  5. Step 5: Solve for x
    x = 356,528,422.13/21,159.74
  6. Step 6: Final answer
    x = 16,849.38

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.