Home / 19,126.64-28,689.96-6,806

Finding the Fourth Proportional to 19,126.64, 28,689.96 and 6,806

Calculator

Solution

The fourth proportional to 19,126.64, 28,689.96 and 6,806 is: 10,209

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.64 : 28,689.96 = 6,806 : x
  2. Step 2: Convert to fraction form
    19,126.64/28,689.96 = 6,806/x
  3. Step 3: Cross multiply
    19,126.64x = 28,689.96 × 6,806
  4. Step 4: Simplify right side
    19,126.64x = 195,263,867.76
  5. Step 5: Solve for x
    x = 195,263,867.76/19,126.64
  6. Step 6: Final answer
    x = 10,209

Related Problems

Find fourth proportional to 9,563.32, 14,344.98 and 3,403
Half scale
Find fourth proportional to 38,253.28, 57,379.92 and 13,612
Double scale
Find fourth proportional to 19,127.64, 28,691.46 and 6,807
Similar ratio
Find fourth proportional to 28,689.96, 43,034.94 and 10,209
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.