Home / 14,037.66-19,371.60-7,749.90

Finding the Fourth Proportional to 14,037.66, 19,371.60 and 7,749.90

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Solution

The fourth proportional to 14,037.66, 19,371.60 and 7,749.90 is: 10,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.66 : 19,371.60 = 7,749.90 : x
  2. Step 2: Convert to fraction form
    14,037.66/19,371.60 = 7,749.90/x
  3. Step 3: Cross multiply
    14,037.66x = 19,371.60 × 7,749.90
  4. Step 4: Simplify right side
    14,037.66x = 150,127,962.84
  5. Step 5: Solve for x
    x = 150,127,962.84/14,037.66
  6. Step 6: Final answer
    x = 10,694.66

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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.