Home / 10,415.12-14,379.80-6,167.56

Finding the Fourth Proportional to 10,415.12, 14,379.80 and 6,167.56

Calculator

Solution

The fourth proportional to 10,415.12, 14,379.80 and 6,167.56 is: 8,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.12 : 14,379.80 = 6,167.56 : x
  2. Step 2: Convert to fraction form
    10,415.12/14,379.80 = 6,167.56/x
  3. Step 3: Cross multiply
    10,415.12x = 14,379.80 × 6,167.56
  4. Step 4: Simplify right side
    10,415.12x = 88,688,279.29
  5. Step 5: Solve for x
    x = 88,688,279.29/10,415.12
  6. Step 6: Final answer
    x = 8,515.34

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.