Home / 15,537.54-21,448.97-9,162.03

Finding the Fourth Proportional to 15,537.54, 21,448.97 and 9,162.03

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Solution

The fourth proportional to 15,537.54, 21,448.97 and 9,162.03 is: 12,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.54 : 21,448.97 = 9,162.03 : x
  2. Step 2: Convert to fraction form
    15,537.54/21,448.97 = 9,162.03/x
  3. Step 3: Cross multiply
    15,537.54x = 21,448.97 × 9,162.03
  4. Step 4: Simplify right side
    15,537.54x = 196,516,060.80
  5. Step 5: Solve for x
    x = 196,516,060.80/15,537.54
  6. Step 6: Final answer
    x = 12,647.82

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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.