Home / 15,044.38-20,754.71-9,072.73

Finding the Fourth Proportional to 15,044.38, 20,754.71 and 9,072.73

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Solution

The fourth proportional to 15,044.38, 20,754.71 and 9,072.73 is: 12,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.38 : 20,754.71 = 9,072.73 : x
  2. Step 2: Convert to fraction form
    15,044.38/20,754.71 = 9,072.73/x
  3. Step 3: Cross multiply
    15,044.38x = 20,754.71 × 9,072.73
  4. Step 4: Simplify right side
    15,044.38x = 188,301,782.81
  5. Step 5: Solve for x
    x = 188,301,782.81/15,044.38
  6. Step 6: Final answer
    x = 12,516.42

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Half scale
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Double scale
Find fourth proportional to 15,045.38, 20,756.08 and 9,073.73
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.