Home / 22,003.28-30,365.64-14,039.12

Finding the Fourth Proportional to 22,003.28, 30,365.64 and 14,039.12

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Solution

The fourth proportional to 22,003.28, 30,365.64 and 14,039.12 is: 19,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.28 : 30,365.64 = 14,039.12 : x
  2. Step 2: Convert to fraction form
    22,003.28/30,365.64 = 14,039.12/x
  3. Step 3: Cross multiply
    22,003.28x = 30,365.64 × 14,039.12
  4. Step 4: Simplify right side
    22,003.28x = 426,306,863.84
  5. Step 5: Solve for x
    x = 426,306,863.84/22,003.28
  6. Step 6: Final answer
    x = 19,374.70

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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.