Home / 13,627.85-20,427.19-7,047.41

Finding the Fourth Proportional to 13,627.85, 20,427.19 and 7,047.41

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Solution

The fourth proportional to 13,627.85, 20,427.19 and 7,047.41 is: 10,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.85 : 20,427.19 = 7,047.41 : x
  2. Step 2: Convert to fraction form
    13,627.85/20,427.19 = 7,047.41/x
  3. Step 3: Cross multiply
    13,627.85x = 20,427.19 × 7,047.41
  4. Step 4: Simplify right side
    13,627.85x = 143,958,663.32
  5. Step 5: Solve for x
    x = 143,958,663.32/13,627.85
  6. Step 6: Final answer
    x = 10,563.57

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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.