Home / 13,057.36-19,591.28-5,266.80

Finding the Fourth Proportional to 13,057.36, 19,591.28 and 5,266.80

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Solution

The fourth proportional to 13,057.36, 19,591.28 and 5,266.80 is: 7,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.36 : 19,591.28 = 5,266.80 : x
  2. Step 2: Convert to fraction form
    13,057.36/19,591.28 = 5,266.80/x
  3. Step 3: Cross multiply
    13,057.36x = 19,591.28 × 5,266.80
  4. Step 4: Simplify right side
    13,057.36x = 103,183,353.50
  5. Step 5: Solve for x
    x = 103,183,353.50/13,057.36
  6. Step 6: Final answer
    x = 7,902.31

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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.