Home / 11,445.32-17,167.02-7,771.16

Finding the Fourth Proportional to 11,445.32, 17,167.02 and 7,771.16

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Solution

The fourth proportional to 11,445.32, 17,167.02 and 7,771.16 is: 11,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.32 : 17,167.02 = 7,771.16 : x
  2. Step 2: Convert to fraction form
    11,445.32/17,167.02 = 7,771.16/x
  3. Step 3: Cross multiply
    11,445.32x = 17,167.02 × 7,771.16
  4. Step 4: Simplify right side
    11,445.32x = 133,407,659.14
  5. Step 5: Solve for x
    x = 133,407,659.14/11,445.32
  6. Step 6: Final answer
    x = 11,656.09

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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.