Home / 13,073.45-19,610.16-5,287.73

Finding the Fourth Proportional to 13,073.45, 19,610.16 and 5,287.73

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Solution

The fourth proportional to 13,073.45, 19,610.16 and 5,287.73 is: 7,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.45 : 19,610.16 = 5,287.73 : x
  2. Step 2: Convert to fraction form
    13,073.45/19,610.16 = 5,287.73/x
  3. Step 3: Cross multiply
    13,073.45x = 19,610.16 × 5,287.73
  4. Step 4: Simplify right side
    13,073.45x = 103,693,133.29
  5. Step 5: Solve for x
    x = 103,693,133.29/13,073.45
  6. Step 6: Final answer
    x = 7,931.58

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Double scale
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Similar ratio
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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.