Home / 14,445.11-21,628.55-7,505.03

Finding the Fourth Proportional to 14,445.11, 21,628.55 and 7,505.03

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Solution

The fourth proportional to 14,445.11, 21,628.55 and 7,505.03 is: 11,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.11 : 21,628.55 = 7,505.03 : x
  2. Step 2: Convert to fraction form
    14,445.11/21,628.55 = 7,505.03/x
  3. Step 3: Cross multiply
    14,445.11x = 21,628.55 × 7,505.03
  4. Step 4: Simplify right side
    14,445.11x = 162,322,989.44
  5. Step 5: Solve for x
    x = 162,322,989.44/14,445.11
  6. Step 6: Final answer
    x = 11,237.23

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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.