Home / 16,908.10-25,364.55-5,220.10

Finding the Fourth Proportional to 16,908.10, 25,364.55 and 5,220.10

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Solution

The fourth proportional to 16,908.10, 25,364.55 and 5,220.10 is: 7,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.10 : 25,364.55 = 5,220.10 : x
  2. Step 2: Convert to fraction form
    16,908.10/25,364.55 = 5,220.10/x
  3. Step 3: Cross multiply
    16,908.10x = 25,364.55 × 5,220.10
  4. Step 4: Simplify right side
    16,908.10x = 132,405,487.46
  5. Step 5: Solve for x
    x = 132,405,487.46/16,908.10
  6. Step 6: Final answer
    x = 7,830.89

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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.