Home / 14,420.36-21,591.46-7,480.28

Finding the Fourth Proportional to 14,420.36, 21,591.46 and 7,480.28

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Solution

The fourth proportional to 14,420.36, 21,591.46 and 7,480.28 is: 11,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.36 : 21,591.46 = 7,480.28 : x
  2. Step 2: Convert to fraction form
    14,420.36/21,591.46 = 7,480.28/x
  3. Step 3: Cross multiply
    14,420.36x = 21,591.46 × 7,480.28
  4. Step 4: Simplify right side
    14,420.36x = 161,510,229.74
  5. Step 5: Solve for x
    x = 161,510,229.74/14,420.36
  6. Step 6: Final answer
    x = 11,200.15

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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.