Home / 18,070.91-27,107.06-5,589.81

Finding the Fourth Proportional to 18,070.91, 27,107.06 and 5,589.81

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Solution

The fourth proportional to 18,070.91, 27,107.06 and 5,589.81 is: 8,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.91 : 27,107.06 = 5,589.81 : x
  2. Step 2: Convert to fraction form
    18,070.91/27,107.06 = 5,589.81/x
  3. Step 3: Cross multiply
    18,070.91x = 27,107.06 × 5,589.81
  4. Step 4: Simplify right side
    18,070.91x = 151,523,315.06
  5. Step 5: Solve for x
    x = 151,523,315.06/18,070.91
  6. Step 6: Final answer
    x = 8,384.93

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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.