Home / 12,459.65-18,686.84-3,692.48

Finding the Fourth Proportional to 12,459.65, 18,686.84 and 3,692.48

Calculator

Solution

The fourth proportional to 12,459.65, 18,686.84 and 3,692.48 is: 5,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.65 : 18,686.84 = 3,692.48 : x
  2. Step 2: Convert to fraction form
    12,459.65/18,686.84 = 3,692.48/x
  3. Step 3: Cross multiply
    12,459.65x = 18,686.84 × 3,692.48
  4. Step 4: Simplify right side
    12,459.65x = 69,000,671.07
  5. Step 5: Solve for x
    x = 69,000,671.07/12,459.65
  6. Step 6: Final answer
    x = 5,537.93

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.