Home / 13,140.03-19,713.02-4,375.29

Finding the Fourth Proportional to 13,140.03, 19,713.02 and 4,375.29

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Solution

The fourth proportional to 13,140.03, 19,713.02 and 4,375.29 is: 6,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140.03 : 19,713.02 = 4,375.29 : x
  2. Step 2: Convert to fraction form
    13,140.03/19,713.02 = 4,375.29/x
  3. Step 3: Cross multiply
    13,140.03x = 19,713.02 × 4,375.29
  4. Step 4: Simplify right side
    13,140.03x = 86,250,157.40
  5. Step 5: Solve for x
    x = 86,250,157.40/13,140.03
  6. Step 6: Final answer
    x = 6,563.92

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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.