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Finding the Fourth Proportional to 18,242.28, 27,368.06 and 5,094.68

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Solution

The fourth proportional to 18,242.28, 27,368.06 and 5,094.68 is: 7,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.28 : 27,368.06 = 5,094.68 : x
  2. Step 2: Convert to fraction form
    18,242.28/27,368.06 = 5,094.68/x
  3. Step 3: Cross multiply
    18,242.28x = 27,368.06 × 5,094.68
  4. Step 4: Simplify right side
    18,242.28x = 139,431,507.92
  5. Step 5: Solve for x
    x = 139,431,507.92/18,242.28
  6. Step 6: Final answer
    x = 7,643.32

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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.