Home / 18,085.99-27,130.29-6,239.59

Finding the Fourth Proportional to 18,085.99, 27,130.29 and 6,239.59

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Solution

The fourth proportional to 18,085.99, 27,130.29 and 6,239.59 is: 9,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.99 : 27,130.29 = 6,239.59 : x
  2. Step 2: Convert to fraction form
    18,085.99/27,130.29 = 6,239.59/x
  3. Step 3: Cross multiply
    18,085.99x = 27,130.29 × 6,239.59
  4. Step 4: Simplify right side
    18,085.99x = 169,281,854.98
  5. Step 5: Solve for x
    x = 169,281,854.98/18,085.99
  6. Step 6: Final answer
    x = 9,359.83

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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.