Home / 16,681.35-25,021.99-6,690.60

Finding the Fourth Proportional to 16,681.35, 25,021.99 and 6,690.60

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Solution

The fourth proportional to 16,681.35, 25,021.99 and 6,690.60 is: 10,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.35 : 25,021.99 = 6,690.60 : x
  2. Step 2: Convert to fraction form
    16,681.35/25,021.99 = 6,690.60/x
  3. Step 3: Cross multiply
    16,681.35x = 25,021.99 × 6,690.60
  4. Step 4: Simplify right side
    16,681.35x = 167,412,126.29
  5. Step 5: Solve for x
    x = 167,412,126.29/16,681.35
  6. Step 6: Final answer
    x = 10,035.89

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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.