Home / 16,868.69-25,166.64-15,187.28

Finding the Fourth Proportional to 16,868.69, 25,166.64 and 15,187.28

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Solution

The fourth proportional to 16,868.69, 25,166.64 and 15,187.28 is: 22,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.69 : 25,166.64 = 15,187.28 : x
  2. Step 2: Convert to fraction form
    16,868.69/25,166.64 = 15,187.28/x
  3. Step 3: Cross multiply
    16,868.69x = 25,166.64 × 15,187.28
  4. Step 4: Simplify right side
    16,868.69x = 382,212,838.31
  5. Step 5: Solve for x
    x = 382,212,838.31/16,868.69
  6. Step 6: Final answer
    x = 22,658.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.