Home / 16,890.30-25,335.45-11,015.10

Finding the Fourth Proportional to 16,890.30, 25,335.45 and 11,015.10

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Solution

The fourth proportional to 16,890.30, 25,335.45 and 11,015.10 is: 16,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.30 : 25,335.45 = 11,015.10 : x
  2. Step 2: Convert to fraction form
    16,890.30/25,335.45 = 11,015.10/x
  3. Step 3: Cross multiply
    16,890.30x = 25,335.45 × 11,015.10
  4. Step 4: Simplify right side
    16,890.30x = 279,072,515.30
  5. Step 5: Solve for x
    x = 279,072,515.30/16,890.30
  6. Step 6: Final answer
    x = 16,522.65

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Similar ratio
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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.