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Finding the Fourth Proportional to 18,740.01, 28,110.02 and 6,257.71

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Solution

The fourth proportional to 18,740.01, 28,110.02 and 6,257.71 is: 9,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.01 : 28,110.02 = 6,257.71 : x
  2. Step 2: Convert to fraction form
    18,740.01/28,110.02 = 6,257.71/x
  3. Step 3: Cross multiply
    18,740.01x = 28,110.02 × 6,257.71
  4. Step 4: Simplify right side
    18,740.01x = 175,904,353.25
  5. Step 5: Solve for x
    x = 175,904,353.25/18,740.01
  6. Step 6: Final answer
    x = 9,386.57

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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.