Home / 15,580.86-21,501.55-8,507.28

Finding the Fourth Proportional to 15,580.86, 21,501.55 and 8,507.28

Calculator

Solution

The fourth proportional to 15,580.86, 21,501.55 and 8,507.28 is: 11,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580.86 : 21,501.55 = 8,507.28 : x
  2. Step 2: Convert to fraction form
    15,580.86/21,501.55 = 8,507.28/x
  3. Step 3: Cross multiply
    15,580.86x = 21,501.55 × 8,507.28
  4. Step 4: Simplify right side
    15,580.86x = 182,919,676.60
  5. Step 5: Solve for x
    x = 182,919,676.60/15,580.86
  6. Step 6: Final answer
    x = 11,740.03

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.