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Finding the Fourth Proportional to 14,663.43, 21,982.79 and 9,970.29

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Solution

The fourth proportional to 14,663.43, 21,982.79 and 9,970.29 is: 14,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.43 : 21,982.79 = 9,970.29 : x
  2. Step 2: Convert to fraction form
    14,663.43/21,982.79 = 9,970.29/x
  3. Step 3: Cross multiply
    14,663.43x = 21,982.79 × 9,970.29
  4. Step 4: Simplify right side
    14,663.43x = 219,174,816.23
  5. Step 5: Solve for x
    x = 219,174,816.23/14,663.43
  6. Step 6: Final answer
    x = 14,947.04

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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.