Home / 19,106.60-28,618.35-11,688.62

Finding the Fourth Proportional to 19,106.60, 28,618.35 and 11,688.62

Calculator

Solution

The fourth proportional to 19,106.60, 28,618.35 and 11,688.62 is: 17,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.60 : 28,618.35 = 11,688.62 : x
  2. Step 2: Convert to fraction form
    19,106.60/28,618.35 = 11,688.62/x
  3. Step 3: Cross multiply
    19,106.60x = 28,618.35 × 11,688.62
  4. Step 4: Simplify right side
    19,106.60x = 334,509,018.18
  5. Step 5: Solve for x
    x = 334,509,018.18/19,106.60
  6. Step 6: Final answer
    x = 17,507.51

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.