Home / 18,484.12-27,727.69-7,384.74

Finding the Fourth Proportional to 18,484.12, 27,727.69 and 7,384.74

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Solution

The fourth proportional to 18,484.12, 27,727.69 and 7,384.74 is: 11,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.12 : 27,727.69 = 7,384.74 : x
  2. Step 2: Convert to fraction form
    18,484.12/27,727.69 = 7,384.74/x
  3. Step 3: Cross multiply
    18,484.12x = 27,727.69 × 7,384.74
  4. Step 4: Simplify right side
    18,484.12x = 204,761,781.45
  5. Step 5: Solve for x
    x = 204,761,781.45/18,484.12
  6. Step 6: Final answer
    x = 11,077.71

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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.