Home / 17,485.50-24,129.23-9,931.80

Finding the Fourth Proportional to 17,485.50, 24,129.23 and 9,931.80

Calculator

Solution

The fourth proportional to 17,485.50, 24,129.23 and 9,931.80 is: 13,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.50 : 24,129.23 = 9,931.80 : x
  2. Step 2: Convert to fraction form
    17,485.50/24,129.23 = 9,931.80/x
  3. Step 3: Cross multiply
    17,485.50x = 24,129.23 × 9,931.80
  4. Step 4: Simplify right side
    17,485.50x = 239,646,686.51
  5. Step 5: Solve for x
    x = 239,646,686.51/17,485.50
  6. Step 6: Final answer
    x = 13,705.45

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.