Home / 9,429.08-14,146.58-3,885.04

Finding the Fourth Proportional to 9,429.08, 14,146.58 and 3,885.04

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Solution

The fourth proportional to 9,429.08, 14,146.58 and 3,885.04 is: 5,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.08 : 14,146.58 = 3,885.04 : x
  2. Step 2: Convert to fraction form
    9,429.08/14,146.58 = 3,885.04/x
  3. Step 3: Cross multiply
    9,429.08x = 14,146.58 × 3,885.04
  4. Step 4: Simplify right side
    9,429.08x = 54,960,029.16
  5. Step 5: Solve for x
    x = 54,960,029.16/9,429.08
  6. Step 6: Final answer
    x = 5,828.78

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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.