Home / 10,999.12-16,490.84-5,152.54

Finding the Fourth Proportional to 10,999.12, 16,490.84 and 5,152.54

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Solution

The fourth proportional to 10,999.12, 16,490.84 and 5,152.54 is: 7,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.12 : 16,490.84 = 5,152.54 : x
  2. Step 2: Convert to fraction form
    10,999.12/16,490.84 = 5,152.54/x
  3. Step 3: Cross multiply
    10,999.12x = 16,490.84 × 5,152.54
  4. Step 4: Simplify right side
    10,999.12x = 84,969,712.73
  5. Step 5: Solve for x
    x = 84,969,712.73/10,999.12
  6. Step 6: Final answer
    x = 7,725.14

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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.