Home / 10,640.26-14,676.78-7,055.20

Finding the Fourth Proportional to 10,640.26, 14,676.78 and 7,055.20

Calculator

Solution

The fourth proportional to 10,640.26, 14,676.78 and 7,055.20 is: 9,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.26 : 14,676.78 = 7,055.20 : x
  2. Step 2: Convert to fraction form
    10,640.26/14,676.78 = 7,055.20/x
  3. Step 3: Cross multiply
    10,640.26x = 14,676.78 × 7,055.20
  4. Step 4: Simplify right side
    10,640.26x = 103,547,618.26
  5. Step 5: Solve for x
    x = 103,547,618.26/10,640.26
  6. Step 6: Final answer
    x = 9,731.68

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.