Home / 19,338.04-29,007.60-6,855.40

Finding the Fourth Proportional to 19,338.04, 29,007.60 and 6,855.40

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Solution

The fourth proportional to 19,338.04, 29,007.60 and 6,855.40 is: 10,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.04 : 29,007.60 = 6,855.40 : x
  2. Step 2: Convert to fraction form
    19,338.04/29,007.60 = 6,855.40/x
  3. Step 3: Cross multiply
    19,338.04x = 29,007.60 × 6,855.40
  4. Step 4: Simplify right side
    19,338.04x = 198,858,701.04
  5. Step 5: Solve for x
    x = 198,858,701.04/19,338.04
  6. Step 6: Final answer
    x = 10,283.29

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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.