Home / 14,188.50-19,580.13-7,900.74

Finding the Fourth Proportional to 14,188.50, 19,580.13 and 7,900.74

Calculator

Solution

The fourth proportional to 14,188.50, 19,580.13 and 7,900.74 is: 10,903.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.50 : 19,580.13 = 7,900.74 : x
  2. Step 2: Convert to fraction form
    14,188.50/19,580.13 = 7,900.74/x
  3. Step 3: Cross multiply
    14,188.50x = 19,580.13 × 7,900.74
  4. Step 4: Simplify right side
    14,188.50x = 154,697,516.30
  5. Step 5: Solve for x
    x = 154,697,516.30/14,188.50
  6. Step 6: Final answer
    x = 10,903.02

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.