Home / 16,679.85-25,021.51-5,436.06

Finding the Fourth Proportional to 16,679.85, 25,021.51 and 5,436.06

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Solution

The fourth proportional to 16,679.85, 25,021.51 and 5,436.06 is: 8,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.85 : 25,021.51 = 5,436.06 : x
  2. Step 2: Convert to fraction form
    16,679.85/25,021.51 = 5,436.06/x
  3. Step 3: Cross multiply
    16,679.85x = 25,021.51 × 5,436.06
  4. Step 4: Simplify right side
    16,679.85x = 136,018,429.65
  5. Step 5: Solve for x
    x = 136,018,429.65/16,679.85
  6. Step 6: Final answer
    x = 8,154.66

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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.