Home / 15,583.20-21,482.44-9,610.84

Finding the Fourth Proportional to 15,583.20, 21,482.44 and 9,610.84

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Solution

The fourth proportional to 15,583.20, 21,482.44 and 9,610.84 is: 13,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.20 : 21,482.44 = 9,610.84 : x
  2. Step 2: Convert to fraction form
    15,583.20/21,482.44 = 9,610.84/x
  3. Step 3: Cross multiply
    15,583.20x = 21,482.44 × 9,610.84
  4. Step 4: Simplify right side
    15,583.20x = 206,464,293.65
  5. Step 5: Solve for x
    x = 206,464,293.65/15,583.20
  6. Step 6: Final answer
    x = 13,249.16

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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.