Home / 9,913.57-13,680.92-5,437.06

Finding the Fourth Proportional to 9,913.57, 13,680.92 and 5,437.06

Calculator

Solution

The fourth proportional to 9,913.57, 13,680.92 and 5,437.06 is: 7,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.57 : 13,680.92 = 5,437.06 : x
  2. Step 2: Convert to fraction form
    9,913.57/13,680.92 = 5,437.06/x
  3. Step 3: Cross multiply
    9,913.57x = 13,680.92 × 5,437.06
  4. Step 4: Simplify right side
    9,913.57x = 74,383,921.51
  5. Step 5: Solve for x
    x = 74,383,921.51/9,913.57
  6. Step 6: Final answer
    x = 7,503.24

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.