Home / 11,110.96-16,666.44-7,670.08

Finding the Fourth Proportional to 11,110.96, 16,666.44 and 7,670.08

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Solution

The fourth proportional to 11,110.96, 16,666.44 and 7,670.08 is: 11,505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.96 : 16,666.44 = 7,670.08 : x
  2. Step 2: Convert to fraction form
    11,110.96/16,666.44 = 7,670.08/x
  3. Step 3: Cross multiply
    11,110.96x = 16,666.44 × 7,670.08
  4. Step 4: Simplify right side
    11,110.96x = 127,832,928.12
  5. Step 5: Solve for x
    x = 127,832,928.12/11,110.96
  6. Step 6: Final answer
    x = 11,505.12

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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.