Home / 15,450.62-21,320.26-9,482.54

Finding the Fourth Proportional to 15,450.62, 21,320.26 and 9,482.54

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Solution

The fourth proportional to 15,450.62, 21,320.26 and 9,482.54 is: 13,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.62 : 21,320.26 = 9,482.54 : x
  2. Step 2: Convert to fraction form
    15,450.62/21,320.26 = 9,482.54/x
  3. Step 3: Cross multiply
    15,450.62x = 21,320.26 × 9,482.54
  4. Step 4: Simplify right side
    15,450.62x = 202,170,218.26
  5. Step 5: Solve for x
    x = 202,170,218.26/15,450.62
  6. Step 6: Final answer
    x = 13,084.93

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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.