Home / 22,011.96-30,376.28-11,940.24

Finding the Fourth Proportional to 22,011.96, 30,376.28 and 11,940.24

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Solution

The fourth proportional to 22,011.96, 30,376.28 and 11,940.24 is: 16,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.96 : 30,376.28 = 11,940.24 : x
  2. Step 2: Convert to fraction form
    22,011.96/30,376.28 = 11,940.24/x
  3. Step 3: Cross multiply
    22,011.96x = 30,376.28 × 11,940.24
  4. Step 4: Simplify right side
    22,011.96x = 362,700,073.51
  5. Step 5: Solve for x
    x = 362,700,073.51/22,011.96
  6. Step 6: Final answer
    x = 16,477.41

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Double scale
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Similar ratio
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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.