Home / 13,947.24-20,921.36-4,461.48

Finding the Fourth Proportional to 13,947.24, 20,921.36 and 4,461.48

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Solution

The fourth proportional to 13,947.24, 20,921.36 and 4,461.48 is: 6,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.24 : 20,921.36 = 4,461.48 : x
  2. Step 2: Convert to fraction form
    13,947.24/20,921.36 = 4,461.48/x
  3. Step 3: Cross multiply
    13,947.24x = 20,921.36 × 4,461.48
  4. Step 4: Simplify right side
    13,947.24x = 93,340,244.55
  5. Step 5: Solve for x
    x = 93,340,244.55/13,947.24
  6. Step 6: Final answer
    x = 6,692.38

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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.