Home / 19,349.54-28,975.04-12,755.72

Finding the Fourth Proportional to 19,349.54, 28,975.04 and 12,755.72

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Solution

The fourth proportional to 19,349.54, 28,975.04 and 12,755.72 is: 19,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.54 : 28,975.04 = 12,755.72 : x
  2. Step 2: Convert to fraction form
    19,349.54/28,975.04 = 12,755.72/x
  3. Step 3: Cross multiply
    19,349.54x = 28,975.04 × 12,755.72
  4. Step 4: Simplify right side
    19,349.54x = 369,597,497.23
  5. Step 5: Solve for x
    x = 369,597,497.23/19,349.54
  6. Step 6: Final answer
    x = 19,101.10

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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.