Home / 15,499.84-21,382.72-9,208.64

Finding the Fourth Proportional to 15,499.84, 21,382.72 and 9,208.64

Calculator

Solution

The fourth proportional to 15,499.84, 21,382.72 and 9,208.64 is: 12,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.84 : 21,382.72 = 9,208.64 : x
  2. Step 2: Convert to fraction form
    15,499.84/21,382.72 = 9,208.64/x
  3. Step 3: Cross multiply
    15,499.84x = 21,382.72 × 9,208.64
  4. Step 4: Simplify right side
    15,499.84x = 196,905,770.70
  5. Step 5: Solve for x
    x = 196,905,770.70/15,499.84
  6. Step 6: Final answer
    x = 12,703.73

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.