Home / 18,050.77-27,053.58-8,688.29

Finding the Fourth Proportional to 18,050.77, 27,053.58 and 8,688.29

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Solution

The fourth proportional to 18,050.77, 27,053.58 and 8,688.29 is: 13,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.77 : 27,053.58 = 8,688.29 : x
  2. Step 2: Convert to fraction form
    18,050.77/27,053.58 = 8,688.29/x
  3. Step 3: Cross multiply
    18,050.77x = 27,053.58 × 8,688.29
  4. Step 4: Simplify right side
    18,050.77x = 235,049,197.02
  5. Step 5: Solve for x
    x = 235,049,197.02/18,050.77
  6. Step 6: Final answer
    x = 13,021.56

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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.