Home / 11,313.62-15,603.26-7,281.08

Finding the Fourth Proportional to 11,313.62, 15,603.26 and 7,281.08

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Solution

The fourth proportional to 11,313.62, 15,603.26 and 7,281.08 is: 10,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.62 : 15,603.26 = 7,281.08 : x
  2. Step 2: Convert to fraction form
    11,313.62/15,603.26 = 7,281.08/x
  3. Step 3: Cross multiply
    11,313.62x = 15,603.26 × 7,281.08
  4. Step 4: Simplify right side
    11,313.62x = 113,608,584.32
  5. Step 5: Solve for x
    x = 113,608,584.32/11,313.62
  6. Step 6: Final answer
    x = 10,041.75

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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.