Home / 18,436.08-27,650.40-5,284.92

Finding the Fourth Proportional to 18,436.08, 27,650.40 and 5,284.92

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Solution

The fourth proportional to 18,436.08, 27,650.40 and 5,284.92 is: 7,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.08 : 27,650.40 = 5,284.92 : x
  2. Step 2: Convert to fraction form
    18,436.08/27,650.40 = 5,284.92/x
  3. Step 3: Cross multiply
    18,436.08x = 27,650.40 × 5,284.92
  4. Step 4: Simplify right side
    18,436.08x = 146,130,151.97
  5. Step 5: Solve for x
    x = 146,130,151.97/18,436.08
  6. Step 6: Final answer
    x = 7,926.31

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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.