Home / 14,064.64-19,407.90-7,776.88

Finding the Fourth Proportional to 14,064.64, 19,407.90 and 7,776.88

Calculator

Solution

The fourth proportional to 14,064.64, 19,407.90 and 7,776.88 is: 10,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.64 : 19,407.90 = 7,776.88 : x
  2. Step 2: Convert to fraction form
    14,064.64/19,407.90 = 7,776.88/x
  3. Step 3: Cross multiply
    14,064.64x = 19,407.90 × 7,776.88
  4. Step 4: Simplify right side
    14,064.64x = 150,932,909.35
  5. Step 5: Solve for x
    x = 150,932,909.35/14,064.64
  6. Step 6: Final answer
    x = 10,731.37

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.