Home / 9,007.09-12,429.38-5,028.11

Finding the Fourth Proportional to 9,007.09, 12,429.38 and 5,028.11

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Solution

The fourth proportional to 9,007.09, 12,429.38 and 5,028.11 is: 6,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.09 : 12,429.38 = 5,028.11 : x
  2. Step 2: Convert to fraction form
    9,007.09/12,429.38 = 5,028.11/x
  3. Step 3: Cross multiply
    9,007.09x = 12,429.38 × 5,028.11
  4. Step 4: Simplify right side
    9,007.09x = 62,496,289.87
  5. Step 5: Solve for x
    x = 62,496,289.87/9,007.09
  6. Step 6: Final answer
    x = 6,938.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.