Home / 18,284.72-27,428.04-5,805.74

Finding the Fourth Proportional to 18,284.72, 27,428.04 and 5,805.74

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Solution

The fourth proportional to 18,284.72, 27,428.04 and 5,805.74 is: 8,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.72 : 27,428.04 = 5,805.74 : x
  2. Step 2: Convert to fraction form
    18,284.72/27,428.04 = 5,805.74/x
  3. Step 3: Cross multiply
    18,284.72x = 27,428.04 × 5,805.74
  4. Step 4: Simplify right side
    18,284.72x = 159,240,068.95
  5. Step 5: Solve for x
    x = 159,240,068.95/18,284.72
  6. Step 6: Final answer
    x = 8,708.91

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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.