Home / 18,631.13-27,946.71-7,537.91

Finding the Fourth Proportional to 18,631.13, 27,946.71 and 7,537.91

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Solution

The fourth proportional to 18,631.13, 27,946.71 and 7,537.91 is: 11,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.13 : 27,946.71 = 7,537.91 : x
  2. Step 2: Convert to fraction form
    18,631.13/27,946.71 = 7,537.91/x
  3. Step 3: Cross multiply
    18,631.13x = 27,946.71 × 7,537.91
  4. Step 4: Simplify right side
    18,631.13x = 210,659,802.24
  5. Step 5: Solve for x
    x = 210,659,802.24/18,631.13
  6. Step 6: Final answer
    x = 11,306.87

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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.