Home / 14,952.20-20,629.44-8,663.36

Finding the Fourth Proportional to 14,952.20, 20,629.44 and 8,663.36

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Solution

The fourth proportional to 14,952.20, 20,629.44 and 8,663.36 is: 11,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.20 : 20,629.44 = 8,663.36 : x
  2. Step 2: Convert to fraction form
    14,952.20/20,629.44 = 8,663.36/x
  3. Step 3: Cross multiply
    14,952.20x = 20,629.44 × 8,663.36
  4. Step 4: Simplify right side
    14,952.20x = 178,720,265.32
  5. Step 5: Solve for x
    x = 178,720,265.32/14,952.20
  6. Step 6: Final answer
    x = 11,952.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.