Home / 16,878.72-25,328.13-7,519.29

Finding the Fourth Proportional to 16,878.72, 25,328.13 and 7,519.29

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Solution

The fourth proportional to 16,878.72, 25,328.13 and 7,519.29 is: 11,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.72 : 25,328.13 = 7,519.29 : x
  2. Step 2: Convert to fraction form
    16,878.72/25,328.13 = 7,519.29/x
  3. Step 3: Cross multiply
    16,878.72x = 25,328.13 × 7,519.29
  4. Step 4: Simplify right side
    16,878.72x = 190,449,554.63
  5. Step 5: Solve for x
    x = 190,449,554.63/16,878.72
  6. Step 6: Final answer
    x = 11,283.41

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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.