Home / 14,305.28-21,443.28-5,536.80

Finding the Fourth Proportional to 14,305.28, 21,443.28 and 5,536.80

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Solution

The fourth proportional to 14,305.28, 21,443.28 and 5,536.80 is: 8,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.28 : 21,443.28 = 5,536.80 : x
  2. Step 2: Convert to fraction form
    14,305.28/21,443.28 = 5,536.80/x
  3. Step 3: Cross multiply
    14,305.28x = 21,443.28 × 5,536.80
  4. Step 4: Simplify right side
    14,305.28x = 118,727,152.70
  5. Step 5: Solve for x
    x = 118,727,152.70/14,305.28
  6. Step 6: Final answer
    x = 8,299.53

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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.