Home / 13,057.20-19,577.70-7,507.80

Finding the Fourth Proportional to 13,057.20, 19,577.70 and 7,507.80

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Solution

The fourth proportional to 13,057.20, 19,577.70 and 7,507.80 is: 11,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.20 : 19,577.70 = 7,507.80 : x
  2. Step 2: Convert to fraction form
    13,057.20/19,577.70 = 7,507.80/x
  3. Step 3: Cross multiply
    13,057.20x = 19,577.70 × 7,507.80
  4. Step 4: Simplify right side
    13,057.20x = 146,985,456.06
  5. Step 5: Solve for x
    x = 146,985,456.06/13,057.20
  6. Step 6: Final answer
    x = 11,257.04

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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.