Home / 10,299.47-15,453.80-4,749.84

Finding the Fourth Proportional to 10,299.47, 15,453.80 and 4,749.84

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Solution

The fourth proportional to 10,299.47, 15,453.80 and 4,749.84 is: 7,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.47 : 15,453.80 = 4,749.84 : x
  2. Step 2: Convert to fraction form
    10,299.47/15,453.80 = 4,749.84/x
  3. Step 3: Cross multiply
    10,299.47x = 15,453.80 × 4,749.84
  4. Step 4: Simplify right side
    10,299.47x = 73,403,077.39
  5. Step 5: Solve for x
    x = 73,403,077.39/10,299.47
  6. Step 6: Final answer
    x = 7,126.88

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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.