Home / 19,070.60-28,605.12-7,974.44

Finding the Fourth Proportional to 19,070.60, 28,605.12 and 7,974.44

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Solution

The fourth proportional to 19,070.60, 28,605.12 and 7,974.44 is: 11,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.60 : 28,605.12 = 7,974.44 : x
  2. Step 2: Convert to fraction form
    19,070.60/28,605.12 = 7,974.44/x
  3. Step 3: Cross multiply
    19,070.60x = 28,605.12 × 7,974.44
  4. Step 4: Simplify right side
    19,070.60x = 228,109,813.13
  5. Step 5: Solve for x
    x = 228,109,813.13/19,070.60
  6. Step 6: Final answer
    x = 11,961.33

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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.