Home / 15,617.54-21,546.15-9,951.27

Finding the Fourth Proportional to 15,617.54, 21,546.15 and 9,951.27

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Solution

The fourth proportional to 15,617.54, 21,546.15 and 9,951.27 is: 13,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.54 : 21,546.15 = 9,951.27 : x
  2. Step 2: Convert to fraction form
    15,617.54/21,546.15 = 9,951.27/x
  3. Step 3: Cross multiply
    15,617.54x = 21,546.15 × 9,951.27
  4. Step 4: Simplify right side
    15,617.54x = 214,411,556.11
  5. Step 5: Solve for x
    x = 214,411,556.11/15,617.54
  6. Step 6: Final answer
    x = 13,728.89

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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.