Home / 20,646.18-30,965.22-5,851.53

Finding the Fourth Proportional to 20,646.18, 30,965.22 and 5,851.53

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Solution

The fourth proportional to 20,646.18, 30,965.22 and 5,851.53 is: 8,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646.18 : 30,965.22 = 5,851.53 : x
  2. Step 2: Convert to fraction form
    20,646.18/30,965.22 = 5,851.53/x
  3. Step 3: Cross multiply
    20,646.18x = 30,965.22 × 5,851.53
  4. Step 4: Simplify right side
    20,646.18x = 181,193,913.79
  5. Step 5: Solve for x
    x = 181,193,913.79/20,646.18
  6. Step 6: Final answer
    x = 8,776.15

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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.