Home / 11,347.79-17,004.36-4,770.38

Finding the Fourth Proportional to 11,347.79, 17,004.36 and 4,770.38

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Solution

The fourth proportional to 11,347.79, 17,004.36 and 4,770.38 is: 7,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.79 : 17,004.36 = 4,770.38 : x
  2. Step 2: Convert to fraction form
    11,347.79/17,004.36 = 4,770.38/x
  3. Step 3: Cross multiply
    11,347.79x = 17,004.36 × 4,770.38
  4. Step 4: Simplify right side
    11,347.79x = 81,117,258.86
  5. Step 5: Solve for x
    x = 81,117,258.86/11,347.79
  6. Step 6: Final answer
    x = 7,148.29

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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.