Home / 10,899.32-16,333.36-6,209.63

Finding the Fourth Proportional to 10,899.32, 16,333.36 and 6,209.63

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Solution

The fourth proportional to 10,899.32, 16,333.36 and 6,209.63 is: 9,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.32 : 16,333.36 = 6,209.63 : x
  2. Step 2: Convert to fraction form
    10,899.32/16,333.36 = 6,209.63/x
  3. Step 3: Cross multiply
    10,899.32x = 16,333.36 × 6,209.63
  4. Step 4: Simplify right side
    10,899.32x = 101,424,009.54
  5. Step 5: Solve for x
    x = 101,424,009.54/10,899.32
  6. Step 6: Final answer
    x = 9,305.54

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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.