Home / 15,424.50-23,126.96-13,085.31

Finding the Fourth Proportional to 15,424.50, 23,126.96 and 13,085.31

Calculator

Solution

The fourth proportional to 15,424.50, 23,126.96 and 13,085.31 is: 19,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.50 : 23,126.96 = 13,085.31 : x
  2. Step 2: Convert to fraction form
    15,424.50/23,126.96 = 13,085.31/x
  3. Step 3: Cross multiply
    15,424.50x = 23,126.96 × 13,085.31
  4. Step 4: Simplify right side
    15,424.50x = 302,623,259.90
  5. Step 5: Solve for x
    x = 302,623,259.90/15,424.50
  6. Step 6: Final answer
    x = 19,619.65

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.