Home / 15,338.58-23,012.70-5,477.64

Finding the Fourth Proportional to 15,338.58, 23,012.70 and 5,477.64

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Solution

The fourth proportional to 15,338.58, 23,012.70 and 5,477.64 is: 8,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.58 : 23,012.70 = 5,477.64 : x
  2. Step 2: Convert to fraction form
    15,338.58/23,012.70 = 5,477.64/x
  3. Step 3: Cross multiply
    15,338.58x = 23,012.70 × 5,477.64
  4. Step 4: Simplify right side
    15,338.58x = 126,055,286.03
  5. Step 5: Solve for x
    x = 126,055,286.03/15,338.58
  6. Step 6: Final answer
    x = 8,218.18

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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.