Home / 9,910.24-13,676.10-5,434.13

Finding the Fourth Proportional to 9,910.24, 13,676.10 and 5,434.13

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Solution

The fourth proportional to 9,910.24, 13,676.10 and 5,434.13 is: 7,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.24 : 13,676.10 = 5,434.13 : x
  2. Step 2: Convert to fraction form
    9,910.24/13,676.10 = 5,434.13/x
  3. Step 3: Cross multiply
    9,910.24x = 13,676.10 × 5,434.13
  4. Step 4: Simplify right side
    9,910.24x = 74,317,705.29
  5. Step 5: Solve for x
    x = 74,317,705.29/9,910.24
  6. Step 6: Final answer
    x = 7,499.08

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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.