Home / 18,345.30-27,516.57-5,866.64

Finding the Fourth Proportional to 18,345.30, 27,516.57 and 5,866.64

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Solution

The fourth proportional to 18,345.30, 27,516.57 and 5,866.64 is: 8,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.30 : 27,516.57 = 5,866.64 : x
  2. Step 2: Convert to fraction form
    18,345.30/27,516.57 = 5,866.64/x
  3. Step 3: Cross multiply
    18,345.30x = 27,516.57 × 5,866.64
  4. Step 4: Simplify right side
    18,345.30x = 161,429,857.02
  5. Step 5: Solve for x
    x = 161,429,857.02/18,345.30
  6. Step 6: Final answer
    x = 8,799.52

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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.