Home / 9,910.61-13,676.63-5,434.26

Finding the Fourth Proportional to 9,910.61, 13,676.63 and 5,434.26

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Solution

The fourth proportional to 9,910.61, 13,676.63 and 5,434.26 is: 7,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.61 : 13,676.63 = 5,434.26 : x
  2. Step 2: Convert to fraction form
    9,910.61/13,676.63 = 5,434.26/x
  3. Step 3: Cross multiply
    9,910.61x = 13,676.63 × 5,434.26
  4. Step 4: Simplify right side
    9,910.61x = 74,322,336.17
  5. Step 5: Solve for x
    x = 74,322,336.17/9,910.61
  6. Step 6: Final answer
    x = 7,499.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.