Home / 14,901.73-20,564.75-8,187.79

Finding the Fourth Proportional to 14,901.73, 20,564.75 and 8,187.79

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Solution

The fourth proportional to 14,901.73, 20,564.75 and 8,187.79 is: 11,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.73 : 20,564.75 = 8,187.79 : x
  2. Step 2: Convert to fraction form
    14,901.73/20,564.75 = 8,187.79/x
  3. Step 3: Cross multiply
    14,901.73x = 20,564.75 × 8,187.79
  4. Step 4: Simplify right side
    14,901.73x = 168,379,710.64
  5. Step 5: Solve for x
    x = 168,379,710.64/14,901.73
  6. Step 6: Final answer
    x = 11,299.34

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1.5x scale

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.