Home / 14,203.90-19,600.59-7,830.48

Finding the Fourth Proportional to 14,203.90, 19,600.59 and 7,830.48

Calculator

Solution

The fourth proportional to 14,203.90, 19,600.59 and 7,830.48 is: 10,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.90 : 19,600.59 = 7,830.48 : x
  2. Step 2: Convert to fraction form
    14,203.90/19,600.59 = 7,830.48/x
  3. Step 3: Cross multiply
    14,203.90x = 19,600.59 × 7,830.48
  4. Step 4: Simplify right side
    14,203.90x = 153,482,027.98
  5. Step 5: Solve for x
    x = 153,482,027.98/14,203.90
  6. Step 6: Final answer
    x = 10,805.63

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.