Home / 10.64-14.65-9.74

Finding the Fourth Proportional to 10.64, 14.65 and 9.74

Calculator

Solution

The fourth proportional to 10.64, 14.65 and 9.74 is: 13.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.64 : 14.65 = 9.74 : x
  2. Step 2: Convert to fraction form
    10.64/14.65 = 9.74/x
  3. Step 3: Cross multiply
    10.64x = 14.65 × 9.74
  4. Step 4: Simplify right side
    10.64x = 142.70
  5. Step 5: Solve for x
    x = 142.70/10.64
  6. Step 6: Final answer
    x = 13.41

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.