Home / 18,303.08-27,456.24-5,155.58

Finding the Fourth Proportional to 18,303.08, 27,456.24 and 5,155.58

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Solution

The fourth proportional to 18,303.08, 27,456.24 and 5,155.58 is: 7,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.08 : 27,456.24 = 5,155.58 : x
  2. Step 2: Convert to fraction form
    18,303.08/27,456.24 = 5,155.58/x
  3. Step 3: Cross multiply
    18,303.08x = 27,456.24 × 5,155.58
  4. Step 4: Simplify right side
    18,303.08x = 141,552,841.82
  5. Step 5: Solve for x
    x = 141,552,841.82/18,303.08
  6. Step 6: Final answer
    x = 7,733.83

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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.