Home / 9,429.41-14,137.40-4,428.99

Finding the Fourth Proportional to 9,429.41, 14,137.40 and 4,428.99

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Solution

The fourth proportional to 9,429.41, 14,137.40 and 4,428.99 is: 6,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.41 : 14,137.40 = 4,428.99 : x
  2. Step 2: Convert to fraction form
    9,429.41/14,137.40 = 4,428.99/x
  3. Step 3: Cross multiply
    9,429.41x = 14,137.40 × 4,428.99
  4. Step 4: Simplify right side
    9,429.41x = 62,614,414.30
  5. Step 5: Solve for x
    x = 62,614,414.30/9,429.41
  6. Step 6: Final answer
    x = 6,640.33

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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.