Home / 13,057.35-19,588.98-4,292.34

Finding the Fourth Proportional to 13,057.35, 19,588.98 and 4,292.34

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Solution

The fourth proportional to 13,057.35, 19,588.98 and 4,292.34 is: 6,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.35 : 19,588.98 = 4,292.34 : x
  2. Step 2: Convert to fraction form
    13,057.35/19,588.98 = 4,292.34/x
  3. Step 3: Cross multiply
    13,057.35x = 19,588.98 × 4,292.34
  4. Step 4: Simplify right side
    13,057.35x = 84,082,562.41
  5. Step 5: Solve for x
    x = 84,082,562.41/13,057.35
  6. Step 6: Final answer
    x = 6,439.48

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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.