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Finding the Fourth Proportional to 18,100, 25,009.04 and 14,950.56

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Solution

The fourth proportional to 18,100, 25,009.04 and 14,950.56 is: 20,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100 : 25,009.04 = 14,950.56 : x
  2. Step 2: Convert to fraction form
    18,100/25,009.04 = 14,950.56/x
  3. Step 3: Cross multiply
    18,100x = 25,009.04 × 14,950.56
  4. Step 4: Simplify right side
    18,100x = 373,899,153.06
  5. Step 5: Solve for x
    x = 373,899,153.06/18,100
  6. Step 6: Final answer
    x = 20,657.41

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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.