Home / 11,904.53-16,429.32-6,869.57

Finding the Fourth Proportional to 11,904.53, 16,429.32 and 6,869.57

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Solution

The fourth proportional to 11,904.53, 16,429.32 and 6,869.57 is: 9,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.53 : 16,429.32 = 6,869.57 : x
  2. Step 2: Convert to fraction form
    11,904.53/16,429.32 = 6,869.57/x
  3. Step 3: Cross multiply
    11,904.53x = 16,429.32 × 6,869.57
  4. Step 4: Simplify right side
    11,904.53x = 112,862,281.65
  5. Step 5: Solve for x
    x = 112,862,281.65/11,904.53
  6. Step 6: Final answer
    x = 9,480.62

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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.