Home / 18,513-25,547.94-10,129.50

Finding the Fourth Proportional to 18,513, 25,547.94 and 10,129.50

Calculator

Solution

The fourth proportional to 18,513, 25,547.94 and 10,129.50 is: 13,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513 : 25,547.94 = 10,129.50 : x
  2. Step 2: Convert to fraction form
    18,513/25,547.94 = 10,129.50/x
  3. Step 3: Cross multiply
    18,513x = 25,547.94 × 10,129.50
  4. Step 4: Simplify right side
    18,513x = 258,787,858.23
  5. Step 5: Solve for x
    x = 258,787,858.23/18,513
  6. Step 6: Final answer
    x = 13,978.71

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.