Home / 12,897.87-19,348.38-5,000.52

Finding the Fourth Proportional to 12,897.87, 19,348.38 and 5,000.52

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Solution

The fourth proportional to 12,897.87, 19,348.38 and 5,000.52 is: 7,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897.87 : 19,348.38 = 5,000.52 : x
  2. Step 2: Convert to fraction form
    12,897.87/19,348.38 = 5,000.52/x
  3. Step 3: Cross multiply
    12,897.87x = 19,348.38 × 5,000.52
  4. Step 4: Simplify right side
    12,897.87x = 96,751,961.16
  5. Step 5: Solve for x
    x = 96,751,961.16/12,897.87
  6. Step 6: Final answer
    x = 7,501.39

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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.