Home / 9,006.36-12,429.48-5,028.07

Finding the Fourth Proportional to 9,006.36, 12,429.48 and 5,028.07

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Solution

The fourth proportional to 9,006.36, 12,429.48 and 5,028.07 is: 6,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.36 : 12,429.48 = 5,028.07 : x
  2. Step 2: Convert to fraction form
    9,006.36/12,429.48 = 5,028.07/x
  3. Step 3: Cross multiply
    9,006.36x = 12,429.48 × 5,028.07
  4. Step 4: Simplify right side
    9,006.36x = 62,496,295.50
  5. Step 5: Solve for x
    x = 62,496,295.50/9,006.36
  6. Step 6: Final answer
    x = 6,939.13

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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.