Home / 16,781.84-25,166.98-7,415.54

Finding the Fourth Proportional to 16,781.84, 25,166.98 and 7,415.54

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Solution

The fourth proportional to 16,781.84, 25,166.98 and 7,415.54 is: 11,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.84 : 25,166.98 = 7,415.54 : x
  2. Step 2: Convert to fraction form
    16,781.84/25,166.98 = 7,415.54/x
  3. Step 3: Cross multiply
    16,781.84x = 25,166.98 × 7,415.54
  4. Step 4: Simplify right side
    16,781.84x = 186,626,746.87
  5. Step 5: Solve for x
    x = 186,626,746.87/16,781.84
  6. Step 6: Final answer
    x = 11,120.76

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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.