Home / 18,867.64-26,029.74-11,402.68

Finding the Fourth Proportional to 18,867.64, 26,029.74 and 11,402.68

Calculator

Solution

The fourth proportional to 18,867.64, 26,029.74 and 11,402.68 is: 15,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.64 : 26,029.74 = 11,402.68 : x
  2. Step 2: Convert to fraction form
    18,867.64/26,029.74 = 11,402.68/x
  3. Step 3: Cross multiply
    18,867.64x = 26,029.74 × 11,402.68
  4. Step 4: Simplify right side
    18,867.64x = 296,808,795.70
  5. Step 5: Solve for x
    x = 296,808,795.70/18,867.64
  6. Step 6: Final answer
    x = 15,731.10

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.