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Finding the Fourth Proportional to 18,323.28, 27,483.30 and 10,007.01

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Solution

The fourth proportional to 18,323.28, 27,483.30 and 10,007.01 is: 15,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.28 : 27,483.30 = 10,007.01 : x
  2. Step 2: Convert to fraction form
    18,323.28/27,483.30 = 10,007.01/x
  3. Step 3: Cross multiply
    18,323.28x = 27,483.30 × 10,007.01
  4. Step 4: Simplify right side
    18,323.28x = 275,025,657.93
  5. Step 5: Solve for x
    x = 275,025,657.93/18,323.28
  6. Step 6: Final answer
    x = 15,009.63

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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.