Home / 11,110.60-16,666.79-3,715.10

Finding the Fourth Proportional to 11,110.60, 16,666.79 and 3,715.10

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Solution

The fourth proportional to 11,110.60, 16,666.79 and 3,715.10 is: 5,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.60 : 16,666.79 = 3,715.10 : x
  2. Step 2: Convert to fraction form
    11,110.60/16,666.79 = 3,715.10/x
  3. Step 3: Cross multiply
    11,110.60x = 16,666.79 × 3,715.10
  4. Step 4: Simplify right side
    11,110.60x = 61,918,710.45
  5. Step 5: Solve for x
    x = 61,918,710.45/11,110.60
  6. Step 6: Final answer
    x = 5,572.94

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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.