Home / 18,274.41-27,389.48-7,740.36

Finding the Fourth Proportional to 18,274.41, 27,389.48 and 7,740.36

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Solution

The fourth proportional to 18,274.41, 27,389.48 and 7,740.36 is: 11,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.41 : 27,389.48 = 7,740.36 : x
  2. Step 2: Convert to fraction form
    18,274.41/27,389.48 = 7,740.36/x
  3. Step 3: Cross multiply
    18,274.41x = 27,389.48 × 7,740.36
  4. Step 4: Simplify right side
    18,274.41x = 212,004,396.71
  5. Step 5: Solve for x
    x = 212,004,396.71/18,274.41
  6. Step 6: Final answer
    x = 11,601.16

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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.