Home / 9,910.53-13,676.36-5,434.20

Finding the Fourth Proportional to 9,910.53, 13,676.36 and 5,434.20

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Solution

The fourth proportional to 9,910.53, 13,676.36 and 5,434.20 is: 7,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.53 : 13,676.36 = 5,434.20 : x
  2. Step 2: Convert to fraction form
    9,910.53/13,676.36 = 5,434.20/x
  3. Step 3: Cross multiply
    9,910.53x = 13,676.36 × 5,434.20
  4. Step 4: Simplify right side
    9,910.53x = 74,320,048.34
  5. Step 5: Solve for x
    x = 74,320,048.34/9,910.53
  6. Step 6: Final answer
    x = 7,499.10

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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.