Home / 15,499.06-21,388.74-8,425.47

Finding the Fourth Proportional to 15,499.06, 21,388.74 and 8,425.47

Calculator

Solution

The fourth proportional to 15,499.06, 21,388.74 and 8,425.47 is: 11,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.06 : 21,388.74 = 8,425.47 : x
  2. Step 2: Convert to fraction form
    15,499.06/21,388.74 = 8,425.47/x
  3. Step 3: Cross multiply
    15,499.06x = 21,388.74 × 8,425.47
  4. Step 4: Simplify right side
    15,499.06x = 180,210,187.21
  5. Step 5: Solve for x
    x = 180,210,187.21/15,499.06
  6. Step 6: Final answer
    x = 11,627.17

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.