Home / 16,878.60-25,317.90-10,312.20

Finding the Fourth Proportional to 16,878.60, 25,317.90 and 10,312.20

Calculator

Solution

The fourth proportional to 16,878.60, 25,317.90 and 10,312.20 is: 15,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.60 : 25,317.90 = 10,312.20 : x
  2. Step 2: Convert to fraction form
    16,878.60/25,317.90 = 10,312.20/x
  3. Step 3: Cross multiply
    16,878.60x = 25,317.90 × 10,312.20
  4. Step 4: Simplify right side
    16,878.60x = 261,083,248.38
  5. Step 5: Solve for x
    x = 261,083,248.38/16,878.60
  6. Step 6: Final answer
    x = 15,468.30

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.