Home / 11,867.50-16,377.42-7,683.04

Finding the Fourth Proportional to 11,867.50, 16,377.42 and 7,683.04

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Solution

The fourth proportional to 11,867.50, 16,377.42 and 7,683.04 is: 10,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.50 : 16,377.42 = 7,683.04 : x
  2. Step 2: Convert to fraction form
    11,867.50/16,377.42 = 7,683.04/x
  3. Step 3: Cross multiply
    11,867.50x = 16,377.42 × 7,683.04
  4. Step 4: Simplify right side
    11,867.50x = 125,828,372.96
  5. Step 5: Solve for x
    x = 125,828,372.96/11,867.50
  6. Step 6: Final answer
    x = 10,602.77

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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.