Home / 15,965.10-23,947.65-7,643.70

Finding the Fourth Proportional to 15,965.10, 23,947.65 and 7,643.70

Calculator

Solution

The fourth proportional to 15,965.10, 23,947.65 and 7,643.70 is: 11,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.10 : 23,947.65 = 7,643.70 : x
  2. Step 2: Convert to fraction form
    15,965.10/23,947.65 = 7,643.70/x
  3. Step 3: Cross multiply
    15,965.10x = 23,947.65 × 7,643.70
  4. Step 4: Simplify right side
    15,965.10x = 183,048,652.31
  5. Step 5: Solve for x
    x = 183,048,652.31/15,965.10
  6. Step 6: Final answer
    x = 11,465.55

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.