Home / 14,115.36-19,481.28-8,526.72

Finding the Fourth Proportional to 14,115.36, 19,481.28 and 8,526.72

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Solution

The fourth proportional to 14,115.36, 19,481.28 and 8,526.72 is: 11,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.36 : 19,481.28 = 8,526.72 : x
  2. Step 2: Convert to fraction form
    14,115.36/19,481.28 = 8,526.72/x
  3. Step 3: Cross multiply
    14,115.36x = 19,481.28 × 8,526.72
  4. Step 4: Simplify right side
    14,115.36x = 166,111,419.80
  5. Step 5: Solve for x
    x = 166,111,419.80/14,115.36
  6. Step 6: Final answer
    x = 11,768.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.