Home / 18,960.26-28,444.82-6,480.38

Finding the Fourth Proportional to 18,960.26, 28,444.82 and 6,480.38

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Solution

The fourth proportional to 18,960.26, 28,444.82 and 6,480.38 is: 9,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.26 : 28,444.82 = 6,480.38 : x
  2. Step 2: Convert to fraction form
    18,960.26/28,444.82 = 6,480.38/x
  3. Step 3: Cross multiply
    18,960.26x = 28,444.82 × 6,480.38
  4. Step 4: Simplify right side
    18,960.26x = 184,333,068.01
  5. Step 5: Solve for x
    x = 184,333,068.01/18,960.26
  6. Step 6: Final answer
    x = 9,722.08

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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.