Home / 18,094.10-27,158.69-8,740.81

Finding the Fourth Proportional to 18,094.10, 27,158.69 and 8,740.81

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Solution

The fourth proportional to 18,094.10, 27,158.69 and 8,740.81 is: 13,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.10 : 27,158.69 = 8,740.81 : x
  2. Step 2: Convert to fraction form
    18,094.10/27,158.69 = 8,740.81/x
  3. Step 3: Cross multiply
    18,094.10x = 27,158.69 × 8,740.81
  4. Step 4: Simplify right side
    18,094.10x = 237,389,004.94
  5. Step 5: Solve for x
    x = 237,389,004.94/18,094.10
  6. Step 6: Final answer
    x = 13,119.69

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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.