Home / 16,681.10-25,021.62-6,690.34

Finding the Fourth Proportional to 16,681.10, 25,021.62 and 6,690.34

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Solution

The fourth proportional to 16,681.10, 25,021.62 and 6,690.34 is: 10,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.10 : 25,021.62 = 6,690.34 : x
  2. Step 2: Convert to fraction form
    16,681.10/25,021.62 = 6,690.34/x
  3. Step 3: Cross multiply
    16,681.10x = 25,021.62 × 6,690.34
  4. Step 4: Simplify right side
    16,681.10x = 167,403,145.15
  5. Step 5: Solve for x
    x = 167,403,145.15/16,681.10
  6. Step 6: Final answer
    x = 10,035.50

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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.