Home / 10,355.09-15,530.45-3,335.73

Finding the Fourth Proportional to 10,355.09, 15,530.45 and 3,335.73

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Solution

The fourth proportional to 10,355.09, 15,530.45 and 3,335.73 is: 5,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.09 : 15,530.45 = 3,335.73 : x
  2. Step 2: Convert to fraction form
    10,355.09/15,530.45 = 3,335.73/x
  3. Step 3: Cross multiply
    10,355.09x = 15,530.45 × 3,335.73
  4. Step 4: Simplify right side
    10,355.09x = 51,805,313.06
  5. Step 5: Solve for x
    x = 51,805,313.06/10,355.09
  6. Step 6: Final answer
    x = 5,002.89

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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.