Home / 11,355.70-17,037.02-5,812.98

Finding the Fourth Proportional to 11,355.70, 17,037.02 and 5,812.98

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Solution

The fourth proportional to 11,355.70, 17,037.02 and 5,812.98 is: 8,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.70 : 17,037.02 = 5,812.98 : x
  2. Step 2: Convert to fraction form
    11,355.70/17,037.02 = 5,812.98/x
  3. Step 3: Cross multiply
    11,355.70x = 17,037.02 × 5,812.98
  4. Step 4: Simplify right side
    11,355.70x = 99,035,856.52
  5. Step 5: Solve for x
    x = 99,035,856.52/11,355.70
  6. Step 6: Final answer
    x = 8,721.25

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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.