Home / 18,854.28-28,281.42-7,164.72

Finding the Fourth Proportional to 18,854.28, 28,281.42 and 7,164.72

Calculator

Solution

The fourth proportional to 18,854.28, 28,281.42 and 7,164.72 is: 10,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.28 : 28,281.42 = 7,164.72 : x
  2. Step 2: Convert to fraction form
    18,854.28/28,281.42 = 7,164.72/x
  3. Step 3: Cross multiply
    18,854.28x = 28,281.42 × 7,164.72
  4. Step 4: Simplify right side
    18,854.28x = 202,628,455.50
  5. Step 5: Solve for x
    x = 202,628,455.50/18,854.28
  6. Step 6: Final answer
    x = 10,747.08

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.