Home / 19,205.03-28,811.48-10,888.76

Finding the Fourth Proportional to 19,205.03, 28,811.48 and 10,888.76

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Solution

The fourth proportional to 19,205.03, 28,811.48 and 10,888.76 is: 16,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.03 : 28,811.48 = 10,888.76 : x
  2. Step 2: Convert to fraction form
    19,205.03/28,811.48 = 10,888.76/x
  3. Step 3: Cross multiply
    19,205.03x = 28,811.48 × 10,888.76
  4. Step 4: Simplify right side
    19,205.03x = 313,721,236.52
  5. Step 5: Solve for x
    x = 313,721,236.52/19,205.03
  6. Step 6: Final answer
    x = 16,335.37

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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.