Home / 22,419.53-30,937.73-12,346.05

Finding the Fourth Proportional to 22,419.53, 30,937.73 and 12,346.05

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Solution

The fourth proportional to 22,419.53, 30,937.73 and 12,346.05 is: 17,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.53 : 30,937.73 = 12,346.05 : x
  2. Step 2: Convert to fraction form
    22,419.53/30,937.73 = 12,346.05/x
  3. Step 3: Cross multiply
    22,419.53x = 30,937.73 × 12,346.05
  4. Step 4: Simplify right side
    22,419.53x = 381,958,699.74
  5. Step 5: Solve for x
    x = 381,958,699.74/22,419.53
  6. Step 6: Final answer
    x = 17,036.88

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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.