Home / 9,671.20-13,336.12-7,158.58

Finding the Fourth Proportional to 9,671.20, 13,336.12 and 7,158.58

Calculator

Solution

The fourth proportional to 9,671.20, 13,336.12 and 7,158.58 is: 9,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.20 : 13,336.12 = 7,158.58 : x
  2. Step 2: Convert to fraction form
    9,671.20/13,336.12 = 7,158.58/x
  3. Step 3: Cross multiply
    9,671.20x = 13,336.12 × 7,158.58
  4. Step 4: Simplify right side
    9,671.20x = 95,467,681.91
  5. Step 5: Solve for x
    x = 95,467,681.91/9,671.20
  6. Step 6: Final answer
    x = 9,871.34

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.