Home / 20,435.24-30,646.20-6,581

Finding the Fourth Proportional to 20,435.24, 30,646.20 and 6,581

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Solution

The fourth proportional to 20,435.24, 30,646.20 and 6,581 is: 9,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,435.24 : 30,646.20 = 6,581 : x
  2. Step 2: Convert to fraction form
    20,435.24/30,646.20 = 6,581/x
  3. Step 3: Cross multiply
    20,435.24x = 30,646.20 × 6,581
  4. Step 4: Simplify right side
    20,435.24x = 201,682,642.20
  5. Step 5: Solve for x
    x = 201,682,642.20/20,435.24
  6. Step 6: Final answer
    x = 9,869.36

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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.