Home / 12,988.25-19,483.34-4,436.27

Finding the Fourth Proportional to 12,988.25, 19,483.34 and 4,436.27

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Solution

The fourth proportional to 12,988.25, 19,483.34 and 4,436.27 is: 6,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988.25 : 19,483.34 = 4,436.27 : x
  2. Step 2: Convert to fraction form
    12,988.25/19,483.34 = 4,436.27/x
  3. Step 3: Cross multiply
    12,988.25x = 19,483.34 × 4,436.27
  4. Step 4: Simplify right side
    12,988.25x = 86,433,310.21
  5. Step 5: Solve for x
    x = 86,433,310.21/12,988.25
  6. Step 6: Final answer
    x = 6,654.73

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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.