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Finding the Fourth Proportional to 15,576, 23,366.46 and 5,190.18

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Solution

The fourth proportional to 15,576, 23,366.46 and 5,190.18 is: 7,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576 : 23,366.46 = 5,190.18 : x
  2. Step 2: Convert to fraction form
    15,576/23,366.46 = 5,190.18/x
  3. Step 3: Cross multiply
    15,576x = 23,366.46 × 5,190.18
  4. Step 4: Simplify right side
    15,576x = 121,276,133.36
  5. Step 5: Solve for x
    x = 121,276,133.36/15,576
  6. Step 6: Final answer
    x = 7,786.09

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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.