Home / 13,550.31-18,698.56-7,580.95

Finding the Fourth Proportional to 13,550.31, 18,698.56 and 7,580.95

Calculator

Solution

The fourth proportional to 13,550.31, 18,698.56 and 7,580.95 is: 10,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.31 : 18,698.56 = 7,580.95 : x
  2. Step 2: Convert to fraction form
    13,550.31/18,698.56 = 7,580.95/x
  3. Step 3: Cross multiply
    13,550.31x = 18,698.56 × 7,580.95
  4. Step 4: Simplify right side
    13,550.31x = 141,752,848.43
  5. Step 5: Solve for x
    x = 141,752,848.43/13,550.31
  6. Step 6: Final answer
    x = 10,461.23

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.