Home / 18,897.99-28,357.97-10,465.35

Finding the Fourth Proportional to 18,897.99, 28,357.97 and 10,465.35

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Solution

The fourth proportional to 18,897.99, 28,357.97 and 10,465.35 is: 15,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.99 : 28,357.97 = 10,465.35 : x
  2. Step 2: Convert to fraction form
    18,897.99/28,357.97 = 10,465.35/x
  3. Step 3: Cross multiply
    18,897.99x = 28,357.97 × 10,465.35
  4. Step 4: Simplify right side
    18,897.99x = 296,776,029.01
  5. Step 5: Solve for x
    x = 296,776,029.01/18,897.99
  6. Step 6: Final answer
    x = 15,704.11

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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.