Home / 10,999.12-16,504.08-5,156.16

Finding the Fourth Proportional to 10,999.12, 16,504.08 and 5,156.16

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Solution

The fourth proportional to 10,999.12, 16,504.08 and 5,156.16 is: 7,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.12 : 16,504.08 = 5,156.16 : x
  2. Step 2: Convert to fraction form
    10,999.12/16,504.08 = 5,156.16/x
  3. Step 3: Cross multiply
    10,999.12x = 16,504.08 × 5,156.16
  4. Step 4: Simplify right side
    10,999.12x = 85,097,677.13
  5. Step 5: Solve for x
    x = 85,097,677.13/10,999.12
  6. Step 6: Final answer
    x = 7,736.77

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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.