Home / 9,985.77-13,774.25-6,399.52

Finding the Fourth Proportional to 9,985.77, 13,774.25 and 6,399.52

Calculator

Solution

The fourth proportional to 9,985.77, 13,774.25 and 6,399.52 is: 8,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.77 : 13,774.25 = 6,399.52 : x
  2. Step 2: Convert to fraction form
    9,985.77/13,774.25 = 6,399.52/x
  3. Step 3: Cross multiply
    9,985.77x = 13,774.25 × 6,399.52
  4. Step 4: Simplify right side
    9,985.77x = 88,148,588.36
  5. Step 5: Solve for x
    x = 88,148,588.36/9,985.77
  6. Step 6: Final answer
    x = 8,827.42

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.