Home / 15,597.03-21,511.65-13,806.39

Finding the Fourth Proportional to 15,597.03, 21,511.65 and 13,806.39

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Solution

The fourth proportional to 15,597.03, 21,511.65 and 13,806.39 is: 19,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.03 : 21,511.65 = 13,806.39 : x
  2. Step 2: Convert to fraction form
    15,597.03/21,511.65 = 13,806.39/x
  3. Step 3: Cross multiply
    15,597.03x = 21,511.65 × 13,806.39
  4. Step 4: Simplify right side
    15,597.03x = 296,998,229.44
  5. Step 5: Solve for x
    x = 296,998,229.44/15,597.03
  6. Step 6: Final answer
    x = 19,041.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.