Home / 15,863.57-21,885.93-9,490.34

Finding the Fourth Proportional to 15,863.57, 21,885.93 and 9,490.34

Calculator

Solution

The fourth proportional to 15,863.57, 21,885.93 and 9,490.34 is: 13,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.57 : 21,885.93 = 9,490.34 : x
  2. Step 2: Convert to fraction form
    15,863.57/21,885.93 = 9,490.34/x
  3. Step 3: Cross multiply
    15,863.57x = 21,885.93 × 9,490.34
  4. Step 4: Simplify right side
    15,863.57x = 207,704,890.06
  5. Step 5: Solve for x
    x = 207,704,890.06/15,863.57
  6. Step 6: Final answer
    x = 13,093.20

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.