Home / 16,888.72-25,338.16-11,967.84

Finding the Fourth Proportional to 16,888.72, 25,338.16 and 11,967.84

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Solution

The fourth proportional to 16,888.72, 25,338.16 and 11,967.84 is: 17,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.72 : 25,338.16 = 11,967.84 : x
  2. Step 2: Convert to fraction form
    16,888.72/25,338.16 = 11,967.84/x
  3. Step 3: Cross multiply
    16,888.72x = 25,338.16 × 11,967.84
  4. Step 4: Simplify right side
    16,888.72x = 303,243,044.77
  5. Step 5: Solve for x
    x = 303,243,044.77/16,888.72
  6. Step 6: Final answer
    x = 17,955.36

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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.