Home / 10,531.65-15,815.70-5,610.90

Finding the Fourth Proportional to 10,531.65, 15,815.70 and 5,610.90

Calculator

Solution

The fourth proportional to 10,531.65, 15,815.70 and 5,610.90 is: 8,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.65 : 15,815.70 = 5,610.90 : x
  2. Step 2: Convert to fraction form
    10,531.65/15,815.70 = 5,610.90/x
  3. Step 3: Cross multiply
    10,531.65x = 15,815.70 × 5,610.90
  4. Step 4: Simplify right side
    10,531.65x = 88,740,311.13
  5. Step 5: Solve for x
    x = 88,740,311.13/10,531.65
  6. Step 6: Final answer
    x = 8,426.06

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.