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Finding the Fourth Proportional to 10,007.67, 15,009.57 and 4,669.37

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Solution

The fourth proportional to 10,007.67, 15,009.57 and 4,669.37 is: 7,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.67 : 15,009.57 = 4,669.37 : x
  2. Step 2: Convert to fraction form
    10,007.67/15,009.57 = 4,669.37/x
  3. Step 3: Cross multiply
    10,007.67x = 15,009.57 × 4,669.37
  4. Step 4: Simplify right side
    10,007.67x = 70,085,235.87
  5. Step 5: Solve for x
    x = 70,085,235.87/10,007.67
  6. Step 6: Final answer
    x = 7,003.15

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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.