Home / 16,880.98-25,297.70-12,916.90

Finding the Fourth Proportional to 16,880.98, 25,297.70 and 12,916.90

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Solution

The fourth proportional to 16,880.98, 25,297.70 and 12,916.90 is: 19,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.98 : 25,297.70 = 12,916.90 : x
  2. Step 2: Convert to fraction form
    16,880.98/25,297.70 = 12,916.90/x
  3. Step 3: Cross multiply
    16,880.98x = 25,297.70 × 12,916.90
  4. Step 4: Simplify right side
    16,880.98x = 326,767,861.13
  5. Step 5: Solve for x
    x = 326,767,861.13/16,880.98
  6. Step 6: Final answer
    x = 19,357.16

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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.