Home / 19,218.33-28,830.03-6,737.40

Finding the Fourth Proportional to 19,218.33, 28,830.03 and 6,737.40

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Solution

The fourth proportional to 19,218.33, 28,830.03 and 6,737.40 is: 10,106.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.33 : 28,830.03 = 6,737.40 : x
  2. Step 2: Convert to fraction form
    19,218.33/28,830.03 = 6,737.40/x
  3. Step 3: Cross multiply
    19,218.33x = 28,830.03 × 6,737.40
  4. Step 4: Simplify right side
    19,218.33x = 194,239,444.12
  5. Step 5: Solve for x
    x = 194,239,444.12/19,218.33
  6. Step 6: Final answer
    x = 10,106.99

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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.