Home / 16,918.42-25,383.64-7,557.58

Finding the Fourth Proportional to 16,918.42, 25,383.64 and 7,557.58

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Solution

The fourth proportional to 16,918.42, 25,383.64 and 7,557.58 is: 11,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.42 : 25,383.64 = 7,557.58 : x
  2. Step 2: Convert to fraction form
    16,918.42/25,383.64 = 7,557.58/x
  3. Step 3: Cross multiply
    16,918.42x = 25,383.64 × 7,557.58
  4. Step 4: Simplify right side
    16,918.42x = 191,838,889.99
  5. Step 5: Solve for x
    x = 191,838,889.99/16,918.42
  6. Step 6: Final answer
    x = 11,339.05

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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.