Home / 13,631.48-20,447.36-4,866.47

Finding the Fourth Proportional to 13,631.48, 20,447.36 and 4,866.47

Calculator

Solution

The fourth proportional to 13,631.48, 20,447.36 and 4,866.47 is: 7,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631.48 : 20,447.36 = 4,866.47 : x
  2. Step 2: Convert to fraction form
    13,631.48/20,447.36 = 4,866.47/x
  3. Step 3: Cross multiply
    13,631.48x = 20,447.36 × 4,866.47
  4. Step 4: Simplify right side
    13,631.48x = 99,506,337.45
  5. Step 5: Solve for x
    x = 99,506,337.45/13,631.48
  6. Step 6: Final answer
    x = 7,299.75

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.