Home / 13,308.47-19,962.72-7,469.18

Finding the Fourth Proportional to 13,308.47, 19,962.72 and 7,469.18

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Solution

The fourth proportional to 13,308.47, 19,962.72 and 7,469.18 is: 11,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.47 : 19,962.72 = 7,469.18 : x
  2. Step 2: Convert to fraction form
    13,308.47/19,962.72 = 7,469.18/x
  3. Step 3: Cross multiply
    13,308.47x = 19,962.72 × 7,469.18
  4. Step 4: Simplify right side
    13,308.47x = 149,105,236.31
  5. Step 5: Solve for x
    x = 149,105,236.31/13,308.47
  6. Step 6: Final answer
    x = 11,203.78

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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.