Home / 18,975.83-28,480.95-9,622.35

Finding the Fourth Proportional to 18,975.83, 28,480.95 and 9,622.35

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Solution

The fourth proportional to 18,975.83, 28,480.95 and 9,622.35 is: 14,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.83 : 28,480.95 = 9,622.35 : x
  2. Step 2: Convert to fraction form
    18,975.83/28,480.95 = 9,622.35/x
  3. Step 3: Cross multiply
    18,975.83x = 28,480.95 × 9,622.35
  4. Step 4: Simplify right side
    18,975.83x = 274,053,669.23
  5. Step 5: Solve for x
    x = 274,053,669.23/18,975.83
  6. Step 6: Final answer
    x = 14,442.25

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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.