Home / 18,114.28-27,171.42-8,875.24

Finding the Fourth Proportional to 18,114.28, 27,171.42 and 8,875.24

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Solution

The fourth proportional to 18,114.28, 27,171.42 and 8,875.24 is: 13,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.28 : 27,171.42 = 8,875.24 : x
  2. Step 2: Convert to fraction form
    18,114.28/27,171.42 = 8,875.24/x
  3. Step 3: Cross multiply
    18,114.28x = 27,171.42 × 8,875.24
  4. Step 4: Simplify right side
    18,114.28x = 241,152,873.64
  5. Step 5: Solve for x
    x = 241,152,873.64/18,114.28
  6. Step 6: Final answer
    x = 13,312.86

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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.