Home / 10,647.59-15,971.38-4,805.87

Finding the Fourth Proportional to 10,647.59, 15,971.38 and 4,805.87

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Solution

The fourth proportional to 10,647.59, 15,971.38 and 4,805.87 is: 7,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.59 : 15,971.38 = 4,805.87 : x
  2. Step 2: Convert to fraction form
    10,647.59/15,971.38 = 4,805.87/x
  3. Step 3: Cross multiply
    10,647.59x = 15,971.38 × 4,805.87
  4. Step 4: Simplify right side
    10,647.59x = 76,756,284.13
  5. Step 5: Solve for x
    x = 76,756,284.13/10,647.59
  6. Step 6: Final answer
    x = 7,208.80

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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.