Home / 13,052.18-19,570.91-4,286.36

Finding the Fourth Proportional to 13,052.18, 19,570.91 and 4,286.36

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Solution

The fourth proportional to 13,052.18, 19,570.91 and 4,286.36 is: 6,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.18 : 19,570.91 = 4,286.36 : x
  2. Step 2: Convert to fraction form
    13,052.18/19,570.91 = 4,286.36/x
  3. Step 3: Cross multiply
    13,052.18x = 19,570.91 × 4,286.36
  4. Step 4: Simplify right side
    13,052.18x = 83,887,846.50
  5. Step 5: Solve for x
    x = 83,887,846.50/13,052.18
  6. Step 6: Final answer
    x = 6,427.12

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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.