Home / 15,209.39-22,815.09-7,313.57

Finding the Fourth Proportional to 15,209.39, 22,815.09 and 7,313.57

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Solution

The fourth proportional to 15,209.39, 22,815.09 and 7,313.57 is: 10,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.39 : 22,815.09 = 7,313.57 : x
  2. Step 2: Convert to fraction form
    15,209.39/22,815.09 = 7,313.57/x
  3. Step 3: Cross multiply
    15,209.39x = 22,815.09 × 7,313.57
  4. Step 4: Simplify right side
    15,209.39x = 166,859,757.77
  5. Step 5: Solve for x
    x = 166,859,757.77/15,209.39
  6. Step 6: Final answer
    x = 10,970.84

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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.