Home / 15,376.10-23,016.96-11,215.13

Finding the Fourth Proportional to 15,376.10, 23,016.96 and 11,215.13

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Solution

The fourth proportional to 15,376.10, 23,016.96 and 11,215.13 is: 16,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376.10 : 23,016.96 = 11,215.13 : x
  2. Step 2: Convert to fraction form
    15,376.10/23,016.96 = 11,215.13/x
  3. Step 3: Cross multiply
    15,376.10x = 23,016.96 × 11,215.13
  4. Step 4: Simplify right side
    15,376.10x = 258,138,198.60
  5. Step 5: Solve for x
    x = 258,138,198.60/15,376.10
  6. Step 6: Final answer
    x = 16,788.28

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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.