Home / 18,145.60-27,220.86-5,666.50

Finding the Fourth Proportional to 18,145.60, 27,220.86 and 5,666.50

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Solution

The fourth proportional to 18,145.60, 27,220.86 and 5,666.50 is: 8,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.60 : 27,220.86 = 5,666.50 : x
  2. Step 2: Convert to fraction form
    18,145.60/27,220.86 = 5,666.50/x
  3. Step 3: Cross multiply
    18,145.60x = 27,220.86 × 5,666.50
  4. Step 4: Simplify right side
    18,145.60x = 154,247,003.19
  5. Step 5: Solve for x
    x = 154,247,003.19/18,145.60
  6. Step 6: Final answer
    x = 8,500.52

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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.