Home / 13,281.02-18,330.92-7,615.67

Finding the Fourth Proportional to 13,281.02, 18,330.92 and 7,615.67

Calculator

Solution

The fourth proportional to 13,281.02, 18,330.92 and 7,615.67 is: 10,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.02 : 18,330.92 = 7,615.67 : x
  2. Step 2: Convert to fraction form
    13,281.02/18,330.92 = 7,615.67/x
  3. Step 3: Cross multiply
    13,281.02x = 18,330.92 × 7,615.67
  4. Step 4: Simplify right side
    13,281.02x = 139,602,164.90
  5. Step 5: Solve for x
    x = 139,602,164.90/13,281.02
  6. Step 6: Final answer
    x = 10,511.40

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.