Home / 14,660.67-21,996.14-7,640.40

Finding the Fourth Proportional to 14,660.67, 21,996.14 and 7,640.40

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Solution

The fourth proportional to 14,660.67, 21,996.14 and 7,640.40 is: 11,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.67 : 21,996.14 = 7,640.40 : x
  2. Step 2: Convert to fraction form
    14,660.67/21,996.14 = 7,640.40/x
  3. Step 3: Cross multiply
    14,660.67x = 21,996.14 × 7,640.40
  4. Step 4: Simplify right side
    14,660.67x = 168,059,308.06
  5. Step 5: Solve for x
    x = 168,059,308.06/14,660.67
  6. Step 6: Final answer
    x = 11,463.28

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1.5x scale

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.