Home / 16,805.26-25,211.54-5,118.18

Finding the Fourth Proportional to 16,805.26, 25,211.54 and 5,118.18

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Solution

The fourth proportional to 16,805.26, 25,211.54 and 5,118.18 is: 7,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.26 : 25,211.54 = 5,118.18 : x
  2. Step 2: Convert to fraction form
    16,805.26/25,211.54 = 5,118.18/x
  3. Step 3: Cross multiply
    16,805.26x = 25,211.54 × 5,118.18
  4. Step 4: Simplify right side
    16,805.26x = 129,037,199.80
  5. Step 5: Solve for x
    x = 129,037,199.80/16,805.26
  6. Step 6: Final answer
    x = 7,678.38

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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.