Home / 15,653.98-21,602.66-8,580.25

Finding the Fourth Proportional to 15,653.98, 21,602.66 and 8,580.25

Calculator

Solution

The fourth proportional to 15,653.98, 21,602.66 and 8,580.25 is: 11,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.98 : 21,602.66 = 8,580.25 : x
  2. Step 2: Convert to fraction form
    15,653.98/21,602.66 = 8,580.25/x
  3. Step 3: Cross multiply
    15,653.98x = 21,602.66 × 8,580.25
  4. Step 4: Simplify right side
    15,653.98x = 185,356,223.47
  5. Step 5: Solve for x
    x = 185,356,223.47/15,653.98
  6. Step 6: Final answer
    x = 11,840.84

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.