Home / 14,913.88-20,582.16-9,869.40

Finding the Fourth Proportional to 14,913.88, 20,582.16 and 9,869.40

Calculator

Solution

The fourth proportional to 14,913.88, 20,582.16 and 9,869.40 is: 13,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.88 : 20,582.16 = 9,869.40 : x
  2. Step 2: Convert to fraction form
    14,913.88/20,582.16 = 9,869.40/x
  3. Step 3: Cross multiply
    14,913.88x = 20,582.16 × 9,869.40
  4. Step 4: Simplify right side
    14,913.88x = 203,133,569.90
  5. Step 5: Solve for x
    x = 203,133,569.90/14,913.88
  6. Step 6: Final answer
    x = 13,620.44

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.