Home / 10,623.48-15,920.14-5,072.28

Finding the Fourth Proportional to 10,623.48, 15,920.14 and 5,072.28

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Solution

The fourth proportional to 10,623.48, 15,920.14 and 5,072.28 is: 7,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.48 : 15,920.14 = 5,072.28 : x
  2. Step 2: Convert to fraction form
    10,623.48/15,920.14 = 5,072.28/x
  3. Step 3: Cross multiply
    10,623.48x = 15,920.14 × 5,072.28
  4. Step 4: Simplify right side
    10,623.48x = 80,751,407.72
  5. Step 5: Solve for x
    x = 80,751,407.72/10,623.48
  6. Step 6: Final answer
    x = 7,601.22

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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.