Home / 13,350.76-18,423.90-7,382.56

Finding the Fourth Proportional to 13,350.76, 18,423.90 and 7,382.56

Calculator

Solution

The fourth proportional to 13,350.76, 18,423.90 and 7,382.56 is: 10,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.76 : 18,423.90 = 7,382.56 : x
  2. Step 2: Convert to fraction form
    13,350.76/18,423.90 = 7,382.56/x
  3. Step 3: Cross multiply
    13,350.76x = 18,423.90 × 7,382.56
  4. Step 4: Simplify right side
    13,350.76x = 136,015,547.18
  5. Step 5: Solve for x
    x = 136,015,547.18/13,350.76
  6. Step 6: Final answer
    x = 10,187.85

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.