Home / 19,903.28-29,855.64-6,757.04

Finding the Fourth Proportional to 19,903.28, 29,855.64 and 6,757.04

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Solution

The fourth proportional to 19,903.28, 29,855.64 and 6,757.04 is: 10,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.28 : 29,855.64 = 6,757.04 : x
  2. Step 2: Convert to fraction form
    19,903.28/29,855.64 = 6,757.04/x
  3. Step 3: Cross multiply
    19,903.28x = 29,855.64 × 6,757.04
  4. Step 4: Simplify right side
    19,903.28x = 201,735,753.71
  5. Step 5: Solve for x
    x = 201,735,753.71/19,903.28
  6. Step 6: Final answer
    x = 10,135.80

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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.