Home / 12,854.70-19,286.85-5,068.94

Finding the Fourth Proportional to 12,854.70, 19,286.85 and 5,068.94

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Solution

The fourth proportional to 12,854.70, 19,286.85 and 5,068.94 is: 7,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.70 : 19,286.85 = 5,068.94 : x
  2. Step 2: Convert to fraction form
    12,854.70/19,286.85 = 5,068.94/x
  3. Step 3: Cross multiply
    12,854.70x = 19,286.85 × 5,068.94
  4. Step 4: Simplify right side
    12,854.70x = 97,763,885.44
  5. Step 5: Solve for x
    x = 97,763,885.44/12,854.70
  6. Step 6: Final answer
    x = 7,605.30

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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.