Home / 16,979.85-25,435.98-13,264.74

Finding the Fourth Proportional to 16,979.85, 25,435.98 and 13,264.74

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Solution

The fourth proportional to 16,979.85, 25,435.98 and 13,264.74 is: 19,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.85 : 25,435.98 = 13,264.74 : x
  2. Step 2: Convert to fraction form
    16,979.85/25,435.98 = 13,264.74/x
  3. Step 3: Cross multiply
    16,979.85x = 25,435.98 × 13,264.74
  4. Step 4: Simplify right side
    16,979.85x = 337,401,661.35
  5. Step 5: Solve for x
    x = 337,401,661.35/16,979.85
  6. Step 6: Final answer
    x = 19,870.71

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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.