Home / 17,139.02-25,698.14-11,208.74

Finding the Fourth Proportional to 17,139.02, 25,698.14 and 11,208.74

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Solution

The fourth proportional to 17,139.02, 25,698.14 and 11,208.74 is: 16,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.02 : 25,698.14 = 11,208.74 : x
  2. Step 2: Convert to fraction form
    17,139.02/25,698.14 = 11,208.74/x
  3. Step 3: Cross multiply
    17,139.02x = 25,698.14 × 11,208.74
  4. Step 4: Simplify right side
    17,139.02x = 288,043,777.95
  5. Step 5: Solve for x
    x = 288,043,777.95/17,139.02
  6. Step 6: Final answer
    x = 16,806.32

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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.