Home / 10,117.35-13,955.91-7,875.68

Finding the Fourth Proportional to 10,117.35, 13,955.91 and 7,875.68

Calculator

Solution

The fourth proportional to 10,117.35, 13,955.91 and 7,875.68 is: 10,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.35 : 13,955.91 = 7,875.68 : x
  2. Step 2: Convert to fraction form
    10,117.35/13,955.91 = 7,875.68/x
  3. Step 3: Cross multiply
    10,117.35x = 13,955.91 × 7,875.68
  4. Step 4: Simplify right side
    10,117.35x = 109,912,211.49
  5. Step 5: Solve for x
    x = 109,912,211.49/10,117.35
  6. Step 6: Final answer
    x = 10,863.74

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.