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Finding the Fourth Proportional to 14,395.50, 21,593.28 and 4,007.28

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Solution

The fourth proportional to 14,395.50, 21,593.28 and 4,007.28 is: 6,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.50 : 21,593.28 = 4,007.28 : x
  2. Step 2: Convert to fraction form
    14,395.50/21,593.28 = 4,007.28/x
  3. Step 3: Cross multiply
    14,395.50x = 21,593.28 × 4,007.28
  4. Step 4: Simplify right side
    14,395.50x = 86,530,319.08
  5. Step 5: Solve for x
    x = 86,530,319.08/14,395.50
  6. Step 6: Final answer
    x = 6,010.93

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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.