Home / 10,995.63-15,165.50-7,638.39

Finding the Fourth Proportional to 10,995.63, 15,165.50 and 7,638.39

Calculator

Solution

The fourth proportional to 10,995.63, 15,165.50 and 7,638.39 is: 10,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.63 : 15,165.50 = 7,638.39 : x
  2. Step 2: Convert to fraction form
    10,995.63/15,165.50 = 7,638.39/x
  3. Step 3: Cross multiply
    10,995.63x = 15,165.50 × 7,638.39
  4. Step 4: Simplify right side
    10,995.63x = 115,839,965.35
  5. Step 5: Solve for x
    x = 115,839,965.35/10,995.63
  6. Step 6: Final answer
    x = 10,535.09

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.