Home / 10,007.35-15,008.74-3,768.02

Finding the Fourth Proportional to 10,007.35, 15,008.74 and 3,768.02

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Solution

The fourth proportional to 10,007.35, 15,008.74 and 3,768.02 is: 5,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.35 : 15,008.74 = 3,768.02 : x
  2. Step 2: Convert to fraction form
    10,007.35/15,008.74 = 3,768.02/x
  3. Step 3: Cross multiply
    10,007.35x = 15,008.74 × 3,768.02
  4. Step 4: Simplify right side
    10,007.35x = 56,553,138.61
  5. Step 5: Solve for x
    x = 56,553,138.61/10,007.35
  6. Step 6: Final answer
    x = 5,651.16

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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.