Home / 10,349.82-15,514.35-4,807.05

Finding the Fourth Proportional to 10,349.82, 15,514.35 and 4,807.05

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Solution

The fourth proportional to 10,349.82, 15,514.35 and 4,807.05 is: 7,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.82 : 15,514.35 = 4,807.05 : x
  2. Step 2: Convert to fraction form
    10,349.82/15,514.35 = 4,807.05/x
  3. Step 3: Cross multiply
    10,349.82x = 15,514.35 × 4,807.05
  4. Step 4: Simplify right side
    10,349.82x = 74,578,301.84
  5. Step 5: Solve for x
    x = 74,578,301.84/10,349.82
  6. Step 6: Final answer
    x = 7,205.76

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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.