Home / 14,628.28-20,187.04-8,256.24

Finding the Fourth Proportional to 14,628.28, 20,187.04 and 8,256.24

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Solution

The fourth proportional to 14,628.28, 20,187.04 and 8,256.24 is: 11,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.28 : 20,187.04 = 8,256.24 : x
  2. Step 2: Convert to fraction form
    14,628.28/20,187.04 = 8,256.24/x
  3. Step 3: Cross multiply
    14,628.28x = 20,187.04 × 8,256.24
  4. Step 4: Simplify right side
    14,628.28x = 166,669,047.13
  5. Step 5: Solve for x
    x = 166,669,047.13/14,628.28
  6. Step 6: Final answer
    x = 11,393.62

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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.