Home / 10,325-15,487.50-5,708

Finding the Fourth Proportional to 10,325, 15,487.50 and 5,708

Calculator

Solution

The fourth proportional to 10,325, 15,487.50 and 5,708 is: 8,562

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325 : 15,487.50 = 5,708 : x
  2. Step 2: Convert to fraction form
    10,325/15,487.50 = 5,708/x
  3. Step 3: Cross multiply
    10,325x = 15,487.50 × 5,708
  4. Step 4: Simplify right side
    10,325x = 88,402,650
  5. Step 5: Solve for x
    x = 88,402,650/10,325
  6. Step 6: Final answer
    x = 8,562

Related Problems

Find fourth proportional to 5,162.50, 7,743.75 and 2,854
Half scale
Find fourth proportional to 20,650, 30,975 and 11,416
Double scale
Find fourth proportional to 10,326, 15,489 and 5,709
Similar ratio
Find fourth proportional to 15,487.50, 23,231.25 and 8,562
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.