Home / 11,512.40-17,270.01-4,117.64

Finding the Fourth Proportional to 11,512.40, 17,270.01 and 4,117.64

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Solution

The fourth proportional to 11,512.40, 17,270.01 and 4,117.64 is: 6,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.40 : 17,270.01 = 4,117.64 : x
  2. Step 2: Convert to fraction form
    11,512.40/17,270.01 = 4,117.64/x
  3. Step 3: Cross multiply
    11,512.40x = 17,270.01 × 4,117.64
  4. Step 4: Simplify right side
    11,512.40x = 71,111,597.63
  5. Step 5: Solve for x
    x = 71,111,597.63/11,512.40
  6. Step 6: Final answer
    x = 6,176.96

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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.