Home / 10,953.48-16,431.70-3,555.54

Finding the Fourth Proportional to 10,953.48, 16,431.70 and 3,555.54

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Solution

The fourth proportional to 10,953.48, 16,431.70 and 3,555.54 is: 5,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.48 : 16,431.70 = 3,555.54 : x
  2. Step 2: Convert to fraction form
    10,953.48/16,431.70 = 3,555.54/x
  3. Step 3: Cross multiply
    10,953.48x = 16,431.70 × 3,555.54
  4. Step 4: Simplify right side
    10,953.48x = 58,423,566.62
  5. Step 5: Solve for x
    x = 58,423,566.62/10,953.48
  6. Step 6: Final answer
    x = 5,333.79

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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.