Home / 16,809.92-25,214.40-5,122.64

Finding the Fourth Proportional to 16,809.92, 25,214.40 and 5,122.64

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Solution

The fourth proportional to 16,809.92, 25,214.40 and 5,122.64 is: 7,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.92 : 25,214.40 = 5,122.64 : x
  2. Step 2: Convert to fraction form
    16,809.92/25,214.40 = 5,122.64/x
  3. Step 3: Cross multiply
    16,809.92x = 25,214.40 × 5,122.64
  4. Step 4: Simplify right side
    16,809.92x = 129,164,294.02
  5. Step 5: Solve for x
    x = 129,164,294.02/16,809.92
  6. Step 6: Final answer
    x = 7,683.81

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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.