Home / 10,004.46-15,015.73-5,328.38

Finding the Fourth Proportional to 10,004.46, 15,015.73 and 5,328.38

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Solution

The fourth proportional to 10,004.46, 15,015.73 and 5,328.38 is: 7,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.46 : 15,015.73 = 5,328.38 : x
  2. Step 2: Convert to fraction form
    10,004.46/15,015.73 = 5,328.38/x
  3. Step 3: Cross multiply
    10,004.46x = 15,015.73 × 5,328.38
  4. Step 4: Simplify right side
    10,004.46x = 80,009,549.63
  5. Step 5: Solve for x
    x = 80,009,549.63/10,004.46
  6. Step 6: Final answer
    x = 7,997.39

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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.