Home / 11,802.40-17,732.40-8,886.40

Finding the Fourth Proportional to 11,802.40, 17,732.40 and 8,886.40

Calculator

Solution

The fourth proportional to 11,802.40, 17,732.40 and 8,886.40 is: 13,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.40 : 17,732.40 = 8,886.40 : x
  2. Step 2: Convert to fraction form
    11,802.40/17,732.40 = 8,886.40/x
  3. Step 3: Cross multiply
    11,802.40x = 17,732.40 × 8,886.40
  4. Step 4: Simplify right side
    11,802.40x = 157,577,199.36
  5. Step 5: Solve for x
    x = 157,577,199.36/11,802.40
  6. Step 6: Final answer
    x = 13,351.28

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.