Home / 57,109-85,663.50-15,556

Finding the Fourth Proportional to 57,109, 85,663.50 and 15,556

Calculator

Solution

The fourth proportional to 57,109, 85,663.50 and 15,556 is: 23,334

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109 : 85,663.50 = 15,556 : x
  2. Step 2: Convert to fraction form
    57,109/85,663.50 = 15,556/x
  3. Step 3: Cross multiply
    57,109x = 85,663.50 × 15,556
  4. Step 4: Simplify right side
    57,109x = 1,332,581,406
  5. Step 5: Solve for x
    x = 1,332,581,406/57,109
  6. Step 6: Final answer
    x = 23,334

Related Problems

Find fourth proportional to 28,554.50, 42,831.75 and 7,778
Half scale
Find fourth proportional to 114,218, 171,327 and 31,112
Double scale
Find fourth proportional to 57,110, 85,665 and 15,557
Similar ratio
Find fourth proportional to 85,663.50, 128,495.25 and 23,334
1.5x scale

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.