Home / 9,006.81-12,429.19-5,028.30

Finding the Fourth Proportional to 9,006.81, 12,429.19 and 5,028.30

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Solution

The fourth proportional to 9,006.81, 12,429.19 and 5,028.30 is: 6,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.81 : 12,429.19 = 5,028.30 : x
  2. Step 2: Convert to fraction form
    9,006.81/12,429.19 = 5,028.30/x
  3. Step 3: Cross multiply
    9,006.81x = 12,429.19 × 5,028.30
  4. Step 4: Simplify right side
    9,006.81x = 62,497,696.08
  5. Step 5: Solve for x
    x = 62,497,696.08/9,006.81
  6. Step 6: Final answer
    x = 6,938.94

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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.