Home / 10,529.84-15,796.38-4,988.64

Finding the Fourth Proportional to 10,529.84, 15,796.38 and 4,988.64

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Solution

The fourth proportional to 10,529.84, 15,796.38 and 4,988.64 is: 7,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.84 : 15,796.38 = 4,988.64 : x
  2. Step 2: Convert to fraction form
    10,529.84/15,796.38 = 4,988.64/x
  3. Step 3: Cross multiply
    10,529.84x = 15,796.38 × 4,988.64
  4. Step 4: Simplify right side
    10,529.84x = 78,802,453.12
  5. Step 5: Solve for x
    x = 78,802,453.12/10,529.84
  6. Step 6: Final answer
    x = 7,483.73

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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.